MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to potentially malicious content or phishing sites. The presence of multiple external URIs and link farm indicators strongly supports a phishing or malicious redirection attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://marcth.pl/media/fck/file/48752151904.pdf
- http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160b2bd206287c---jatutuvinopanu.pdf
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/rd6ou0vqb2t4e0kbn8bbcpaam8/nofek.pdf
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/02904140bae68a8645351d70e018ee34/ramukesonefopob.pdf
- http://sushimura1.com/uploads/files/47850028455.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160987bc71ec33---86497604036.pdf
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/mgci9dglksuuekafhdkfncmhqg/22729998572.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c0c84d08f3---47072332892.pdf
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/db4bfa6c4d6d20abc4b0f518fa1d8957/popakoxetabujaleli.pdf
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/fbd0022a1a5f0b0c89d2a4fc163b659e/midar.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608daca8f1c3f---wolixodosinakagogev.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/jr9pkig6bd1ve6qd15qatp9od4/6089651661.pdf
- https://autosaloncenter.com/uploads/file/wazevasisidaguz.pdf
- http://eko-inwest.eu/upload/file/lexomew.pdf
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/7bsgi116ps1sq0a2o9r172i38h/gelitabepaliwujubisoro.pdf
- http://toshiteriyakiburien.com/uploads/files/22250186621.pdf
- https://xlspandoek.nl/userfiles/file/27141958211.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/1e682d011500f07259e1abf6081096f1/tivemoka.pdf
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607827077cd8a---wexenomusu.pdf
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/ln7t72fo2tkac71rpq8rboe1tp/31050708344.pdf
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/4jsemk8c59jvt2tn390fq6jo4v/72893278582.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c577db7098a---vojolimixujasutumamo.pdf
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/btvkdf7aigme7dm4jou92prqm2/lewojipuxogegisawufa.pdf
- https://famecosmica.it/file/3393000044.pdf
- http://westernmaki.com/uploads/files/7916422627.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=2003+chevy+impala+owners+manual+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_off0000beec.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEEC | 16792 bytes |
font_01_sfnt_off0000d6fe.bin47d72c0e2f2eefcfaef5f11057d6f93ed88805a83e19bead45d30e12fd54833d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6FE | 15112 bytes |
font_02_sfnt_off0000fd63.bin390732c2e5dfb276fcccbd8a7f02a5e57f449c6db1c2d51ece0b46e0f8638275 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD63 | 11468 bytes |
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