MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites, suggesting it's used as a link farm. The presence of multiple external URIs and a link farm heuristic indicates an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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 https://safrano.pl/userfiles/file/69050931523.pdf In PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4e1b7b747---xoliwimufilaxadifufip.pdfIn PDF document text
- http://candybeauty.vn/upload/files/zagufi.pdfIn PDF document text
- https://www.osteopathe-montpellier-sud.fr/ckfinder/userfiles/files/79311642634.pdfIn PDF document text
- http://paradisetourkorea.com/FileData/ckfinder/files/20210802_51FDF5748F7A3B40.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/foge1ioksg46nge9oi8bka9cch/43007748584.pdfIn PDF document text
- http://studiomilano.eu/userfiles/files/9083655249.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b74976c2cf9---sejuwodatekofakinosul.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a37aa0cefef---73638330303.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c81b24c14---2556053173.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610dbaa3d0512---28935665892.pdfIn PDF document text
- http://hrzservices.com/uploadfiles/file/nafigefesefilo.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/d110598553e0f4cae3c009827879d972/denitivudulisovunojiji.pdfIn PDF document text
- http://otoozevran.com/resimler/files/95526140222.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/zalusutawimoruz.pdfIn PDF document text
- http://web300k.com/upload/ck/files/wogotat.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091452169967---samop.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bd8d137b9bf---89132565136.pdfIn PDF document text
- http://bsinteriordesigner.com/userfiles/files/61341229453.pdfIn PDF document text
- https://self-storage.sg/images/uploadedimages/file/wikes.pdfIn PDF document text
- http://teacherandtraining.com/coj_u/KK/userfiles/files/77908448588.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/ccc95fda01aca1b4b67aa7502c2a322f/76716064866.pdfIn PDF document text
- http://wawa757.com/uploads/files/79986454838.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160a5077d91aa3---rizizobaw.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=back+titration+of+aspirin+calculationsPDF 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_off0000edb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDB5 | 10588 bytes |
SHA-256: 1a851ee6be28b7f175f828bbd2a0da32f81859c5ca1877552768f78747e33572 |
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font_01_sfnt_off0001060d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1060D | 19272 bytes |
SHA-256: 295076578acd98287a40a9982f4408a57ce135a08c6d9ac7ddf09fcc3b061d08 |
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font_02_sfnt_off0001382b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1382B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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