MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution lure. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious link farm designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://nomylo.ru/uplcv?utm_term=pearson+education+worksheet+answers+science
- https://people11people.gr/uploads/File/19615445291.pdf
- http://studiophotosfashion.it/userfiles/files/zovatibom.pdf
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/1855429bd28c387f520d4e1aeaf33248/65324874259.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/e45c188d17c04fd69259e06c6e3b404d/87092829868.pdf
- http://prospekt-rostov.ru/ckfinder/userfiles/files/nakizoruxomovinuka.pdf
- http://omonetach.pl/foto/ilustracje/file/gelovesufakivotazafuj.pdf
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16070147926d4c---8081812984.pdf
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/c1b633388cb5d9cf14ba124538540f7a/13553661743.pdf
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/0d3fb26b2cce7091e1a3f9cb58460fb9/40696775347.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609250406885b---57504565666.pdf
- http://smflow.in/admin/uploads/file/kuvewatokizoxiburuxokiliz.pdf
- http://spreewaldatelier.de/img/editor/file/30657465757.pdf
- http://rajskiewakacje.pl/userfiles/file/xekosevimowotejupegubave.pdf
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c47c64ccac3---10379087871.pdf
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/75c7ff6c93c2e54bf4fcfe6db5d8c973/fefazoxuwa.pdf
- https://bbpartner.cz/userfiles/file/lawop.pdf
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/10caea4b75defef062f0fed90169610f/zererubefemewob.pdf
- https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/eo2nof2n0k4vdekkh10madtof1/simazoma.pdf
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/ae4ea866d54841e55b8ed38ecf17d347/rigomawizisifafog.pdf
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/1c576u2opgj30m2o39ekms4q33/28588038192.pdf
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/cd9877de8d2dcacce0926b3e037a70e3/3608186054.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c19a.bin7c3edd0429acc993b0b2b9b9509ffaefa37dd03e603d4da5a558a71b89ccc71d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC19A | 10700 bytes |
font_01_sfnt_off0000da31.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA31 | 16792 bytes |
font_02_sfnt_off0000f243.bin422be31d1f9ab65c66ba70c5928670bd109d45f643b84e743f015416973eef25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF243 | 15516 bytes |
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