MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links to compromised WordPress sites, suggesting it functions as a link farm to distribute phishing lures or further malware. The presence of external URIs and link farms on disposable hosting supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://simonide.org/userfiles/file/84530671053.pdf
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/b424959ad44ac8fa9f9d04ba980b5457/63177412383.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/491c5283c3bafe8e2b9fae6190ac0f1e/1509145781.pdf
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/bc6235c5f5f95816bdecb57ba076c89b/tosilexe.pdf
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/7j8v6kv90tdkgmcvkvi613bccr/xoleg.pdf
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b96ef355a---fusakizawajaxiv.pdf
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160882d1261d4d---11388780351.pdf
- http://5m-tti.com/uploads/image/files/2081791760.pdf
- http://merrygoldholidays.com/ckfinder/userfiles/files/gudojoxuteruj.pdf
- https://krassimirtaskov.com/userfiles/files/sixuvenanuvexafotepafi.pdf
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/cf516d561fe6745c93e0f2f5c091a926/43157820363.pdf
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/6384a9e034b4a39113c86c01fb4ff42d/87285089067.pdf
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/mkht7ips17ckogntflv3u4q6u4/rewejipiwamidivabo.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe571a408b---zikosajili.pdf
- http://freeski.hu/freeski/file/zaxufubavumosotoxisad.pdf
- https://andana.us/files/files/31750201545.pdf
- http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/tqo4nfjts30m2257loriqds4p3/20051960658.pdf
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160b9f6ba72a40---95440649209.pdf
- http://aedelsur.com/contenido/files/69404859459.pdf
- http://zulassungsservice4you.de/bilder/file/durawolar.pdf
- https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/6325570b49e8ae17e13aecb5322f9eee/83576245132.pdf
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba8912566b---letuwoxuwiki.pdf
- http://doubletroubels.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077e10d10b68---91280906409.pdf
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b172130e05---78803275742.pdf
- http://massimosusto.eu/userfiles/files/26428308642.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=getting+lucky+number+seven+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_off0000f508.binaef2e144001691f8ea197f8e15cdfd3f7059371d2c14a56a4344e501fa5653ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF508 | 17228 bytes |
font_01_sfnt_off0001217b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1217B | 16792 bytes |
font_02_sfnt_off00013992.bin1fccfa0ae77b8a02d7bd2b5eca819e999ac6c773931dbcab3595ccbdc39c632e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13992 | 11232 bytes |
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