MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS uploads or disposable domains, suggesting a link farm used for phishing or malware distribution. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9800
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://cowichanmusicfestival.com/userfiles/file/93712576744.pdf
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9ecfcabda---xinaluxegebenefitatol.pdf
- http://katyababash.com/images/uploads/file/riwasawe.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1608b4bf027001---damos.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073d226028b3---pofok.pdf
- http://ubestsports.com/imager/files/20210616143809.pdf
- http://bearings-home.com/userfiles/file/dubitewagizu.pdf
- http://amphorabeautyclub.com/campannas/file/kuzutizazilog.pdf
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079c6a0a0afd---saxez.pdf
- http://paillasse.hu/userfiles/file/15072690915.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bf42cf56bd7---girugonabamitut.pdf
- http://abpaluso.com/upload/file/15319209777.pdf
- https://barcelonacentremedic.cat/files/galeria/files/99947946366.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/122e43becf5f1da651e70d421ae43188/laxosunaniwekewarux.pdf
- https://poolpoint.be/uploads/file/xukuvesugisebof.pdf
- https://cmoretv.com/userfiles/pexajiruwaboreladavut.pdf
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/e80935222e1e5751922c4645bdb52749/jopufelidasarilu.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f3ec47b81---32223927041.pdf
- http://surtek.biz/image/files/20150115_235824.pdf
- http://hongdacable.com/d/files/47892693142.pdf
- https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/ab1a0862bec1c4d8d95d558e3b2c5392/72994935475.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/bdf8677036ba94754a2a8fdb665fdd92/24493244949.pdf
- http://donateagift.eu/userfiles/file/geriwebikogekunedi.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/nked74irciitr500p7gpcpb5id/bevekomoroma.pdf
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7d128bad0c---vigox.pdf
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609170d2b6ce9---47160258475.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=all+the+reindeers+name
- 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_off00011a91.bin1b3a5089e5a7ac84b6889c49523b4618e9548a76303630f62b50e2f77334b871 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A91 | 20368 bytes |
font_01_sfnt_off00014ed3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14ED3 | 16792 bytes |
font_02_sfnt_off000166ea.bin0cfa8fe8f58e21b952262e02eb441f697df79dacc1ab3c7b56924e83cdb3fca3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x166EA | 10376 bytes |
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