MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high probability of malicious intent. It functions as a link farm, with numerous URLs pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://www.saammohaseb.ir/wp-content/plugins/super-forms/uploads/php/files/1519052fd5b5ee558ced52e1c2092c0f/95192679425.pdf
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/e8297c9fa948468b19e31d27e4e9ac27/93101748137.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0a7ea5956---tafirupamemov.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0099410f5---96795713008.pdf
- http://alltechsro.cz/files/domabazuwalakiz.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/tr7p95bv88jv78uag9d0cdveo5/99592841649.pdf
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/d7d6b721a930b21099d9cd2b4c5d91eb/15473452534.pdf
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/zamotixebiti.pdf
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/41f8d51554518e8ae6ea31b3ca7a1286/gumanolizaxeralete.pdf
- http://afgventuregroup.com/cfiles/file/sokegowagumaxuzuguka.pdf
- http://nature-revive.org/files/file/fonabevevukejat.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095ae8697771---58487777568.pdf
- https://picinterior.com/ckfinder/userfiles/files/fevupubonanakej.pdf
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc9573b511---gagukudowezepitazilofilo.pdf
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/rq9avq28vs8ac54c58n68qt1jr/rekiwin.pdf
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/k9f4dbtffhsmht2drgu0e3gdbc/kemoxuxoluxetexu.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b96c7fb6f72---tanasovafizajofukite.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3218ca66c---vabonokokejunutobe.pdf
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/2m2h3qi2g5kcpu0suqjeu5q5jm/tabigusedapet.pdf
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16074147f4c296---roxawetuzalufu.pdf
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d722f65db0---tosaxivagakazemozopaz.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=operating+systems+fundamentals+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_off0000ffe8.bin0b1b326af6794b45840a3c3b954f081ae4a6a15c63f1e5a16da6bb0902934b94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFE8 | 10960 bytes |
font_01_sfnt_off0001192c.binaae1d4e4a2218c8ce432bfc85c8f8ba0b0416c84f93bb7d4ce7610b4c31ee57c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1192C | 18012 bytes |
font_02_sfnt_off000148a0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148A0 | 16792 bytes |
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