MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. It contains numerous URLs pointing to compromised WordPress sites and other domains, likely serving as a distribution point for further malicious content. The presence of external URIs and link farm heuristics strongly suggests a phishing or redirection attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
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://garglob.ru/uplcv?utm_term=the+angle+subtended+by+an+arc+at+the+centre+of+a+circle+is+double+the+angle+subtended
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075e657e9bfa---67289460991.pdf
- http://duonglaohanoi.com/userfiles/file/warilomewonowutut.pdf
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16086f2a82d7a8---vigalaziwafil.pdf
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/c1a6c43786c4378335b0cb976314c09d/duzaxitimokaxijipi.pdf
- http://ajivikafinance.com/userfiles/file/mowiwakisijitagepoma.pdf
- https://baxsporthorses.nl/userfiles/file/9894703078.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160708f1b33884---6556118541.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a30a00ad39.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d72edcc4413---vekek.pdf
- https://godahoian.com/app/webroot/upload/files/8468933089.pdf
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/b2e6e5797ccba87f07f7eda38434b0d8/12567971798.pdf
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/b9d90094d804f91f7099d373539f25bf/barofa.pdf
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0280c03dc---fivuwuvibib.pdf
- http://dansecyr.ca/pdf/file/bavomejeju.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c920768fe1c---jivebujokikekax.pdf
- https://olympicwroclaw.pl/zdjecia/fck/file/dinekiranaxepoxusobiniz.pdf
- https://arichaindia.com/userfiles/file/gebibubeluxiruwori.pdf
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/0fh8hcj27oq9f0knc127ii5r84/xumejifamamenejolixulo.pdf
- http://cafesezony.ru/fck_editor_files/files/xokomagup.pdf
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/dvn9uuncrkduuh6vg326iil6fb/sajax.pdf
- http://stellamaris.cz/userfiles/wexeze.pdf
- http://struttur-arch.it/userfiles/files/sepepuzowebadevabir.pdf
- https://warungmimpishio.com/contents//files/rerobubujav.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/2pdt4vsgn2e1utk9ecnauv26ph/42744392020.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d08d.bin6879ab7812331df1c5aabc44b2ad8fff3f0016109f8ab12f9e075d290f5ecb88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD08D | 11072 bytes |
font_01_sfnt_off0000ea15.bin450eea5fc67953cc3bdc764260aa6f1739571c17331c9588074966c3dbef4c6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA15 | 16088 bytes |
font_02_sfnt_off0000ff46.bincf67d91ed86b30235cf9f7833d032f0df86037634aed5e12a45c11e6667234a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF46 | 17528 bytes |
font_03_sfnt_off00012d49.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D49 | 16792 bytes |
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