MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded links indicate an attempt to direct users to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
Heuristics 6
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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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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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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 http://phucuongplus.com/upload/files/45115291992.pdf In PDF document text
- http://ctyrkolky-gamax.cz/data/dokumenty/95076658917.pdfIn PDF document text
- https://etravelbox.com/scgtest/team-explore/uploads/files/68706551213.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613013d50864b---51100626984.pdfIn PDF document text
- http://vitalenzyme.com/uploads/fckupload/file/46621818500.pdfIn PDF document text
- http://kino-cosmik.ru/sadm_files/61744626369.pdfIn PDF document text
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613d890072abb---nasufuretesegupiwawosej.pdfIn PDF document text
- http://mzch.pl/userfiles/file/xovopalajof.pdfIn PDF document text
- https://chilegastronomia.cl/uploads/userfiles/files/38241741404.pdfIn PDF document text
- http://www.mattig-accounting.bg/fisiere/file/35232863788.pdfIn PDF document text
- https://wct.goldcrownresort.com/magazine_files/files/pomuxinokikubuki.pdfIn PDF document text
- https://dalycity.com/wysiwygfiles/file/vitadamatamuwativubazope.pdfIn PDF document text
- http://michael-dhom.com/webseiten/file/25600838066.pdfIn PDF document text
- http://renknh.com/ckupload/files/kivosezosig.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/7bhkkd91ab7vc1k4o2a8q8ivt4/50558182601.pdfIn PDF document text
- http://nieruchomosciklodzko.pl/files/file/xugugigefafupakefenubawuj.pdfIn PDF document text
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/efde1273ac326d65befda4b268fb0fad/tanofilufugu.pdfIn PDF document text
- http://byecook.com/ckupload/files/kevurituwibutinisulor.pdfIn PDF document text
- http://klm-co.ru/foto/ck/files/zaxofume.pdfIn PDF document text
- https://forumsevens.com/images/file/titox.pdfIn PDF document text
- http://sokole-tps.pl/userfiles/file/mivolunosinajiruvofi.pdfIn PDF document text
- http://ch-bovi.com/upload/files/95460963609.pdfIn PDF document text
- http://logtech.cz/foto/Image/file/73828094013.pdfIn PDF document text
- https://nvsrolko.org/ckfinder/userfiles/files/fojefepamisitosazesoxo.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141467cbfd82---58414533115.pdfIn PDF document text
- http://kavtas.com/images_upload/files/48312712420.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=samsung+home+screen+apkPDF link annotation
- 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_off0000b228.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB228 | 10852 bytes |
SHA-256: 9e1c0062e7d5c688ae4f808da104727efabda3ad2ca788310aa243f4dc3fef0f |
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font_01_sfnt_off0000cb02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB02 | 14652 bytes |
SHA-256: 9605561bdba005a588b9c0c18b7d6a4cf43fd837b9a5df48d22b9cb2b65c51b5 |
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font_02_sfnt_off0000ef9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF9B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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