MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to compromised WordPress sites and IP addresses, suggesting an attempt to host and distribute malicious files. The presence of a 'download button' heuristic and ClamAV detection as 'Pdf.Phishing.Trojan' strongly indicates a phishing or trojan distribution scheme. While no scripts were directly extracted, the PDF structure and external links point towards a malicious download lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 9
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://crewmak.ru/uplcv?utm_term=kingroot+4.4+2+apk PDF link annotation
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/51444184947.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606db4837b075---jizufibutamatigusolarozik.pdfIn PDF document text
- https://printjet.pl/pliki_user/File/gepem.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/96e9c295344f2656f2a5acea4153405b/68012442184.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dd574494ff---pakijuvuxotuni.pdfPDF link annotation
- http://palazzodiaz.com/userfiles/files/13284086530.pdfIn PDF document text
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/26d82bb1285619c6fd9255dacde02da1/81761173245.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/sekijojowarovuwonige.pdfIn PDF document text
- http://tunglamgarden.com/images/fck/file/43921290705.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/3df82fa6c32a1183adfcfe0d39617f36/fekimanojedef.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/9ab32662fa34ab4a16e8d3cf49a7318a/37676962518.pdfIn PDF document text
- http://world-green-hope.com/uploads/files/1051996430.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16091decd9b4df---43809120830.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/1369a91e543af8f7869ba296f3999462/rawenupukifipuvuk.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc281d0f4c4---5780095538.pdfIn PDF document text
- https://stillwaiting.org/userfiles/file/77371900362.pdfIn PDF document text
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/8861105b9ec6d9de60fdfe062a51b691/xepegibamawife.pdfIn PDF document text
- https://noihoithanhtuan.com/media/ftp/file/47266180422.pdfIn PDF document text
- https://best-label.com/upload/files/wisimabuviminadi.pdfIn PDF document text
- http://augustaelectricalwork.com/editorData/file/50029343767.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b39b23efa40---xosukuxajufaramogi.pdfIn PDF document text
- http://animalscipublisher.com/files/upfiles/file/nizapuwexofimeki.pdfIn PDF document text
- https://tsegypt.com/file/91617848154.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5d445d3f2---85000327234.pdfIn PDF document text
- https://aymfly.com/aym_image/files/belisopu.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010215.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10215 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011a2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A2C | 10428 bytes |
SHA-256: 03f0e015499e0daa74c565ddbc47ad4ba5d119f3c772ce6511efd61d7f118dc1 |
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font_02_sfnt_off000131f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131F3 | 17376 bytes |
SHA-256: d27ee0f56413ce9b7b8d539a5c23a7aad0bec87aff12a4d6759cdf164667e473 |
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