MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress sites, likely intended to lure users into clicking malicious links. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. No scripts were extracted, but the structure and URL targets are indicative of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/1ddf2b497db81a2be47450c77c533e86/1128353275.pdf
- http://everettsbarbque.com/clients/b/b0/b0b566c85bab127526a414587b81487f/File/12332535064.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/32cb6c7a07f9f713c60226aef91713da/95934326326.pdf
- http://skogsformedling.se/bilder_umeny/File/14304193982.pdf
- http://areawifi.com/DESARROLLO/userfiles/files/37600052877.pdf
- https://airshow-bg.com/file/zemomovofad.pdf
- http://thebranchoflife.org/clients/3/37/37a84c4c47f147f839b5d5a44bb1b86c/File/lunonobetixaloru.pdf
- https://balajitutorial.com/admin/userfiles/file/jezazas.pdf
- http://tablica-nieruchomosci.pl/uploades/fckeditorfile/zaxepawudozodijoninijatin.pdf
- http://wksystems.net/HotelEstimator/userfiles/file/gadufutapix.pdf
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/31548918eb790925577797c387bc50c6/38468901056.pdf
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/03ac04f5a939f9ccfd321d6b3ee6a4ef/26768456679.pdf
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/c7037a6d4b4411630ec20f7b58671fdd/39544217339.pdf
- http://orgue-chantepie.info/FCKeditor/upload/file/50028273542.pdf
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/0d424bee8157827c616f5851a1b6236e/ramux.pdf
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb9b9a383cf---6509443148.pdf
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/rasuwipimamagadasimofure.pdf
- https://a2designbg.com/userfiles/file/86293137960.pdf
- http://allaboutdowney.com/userimages/86609714986.pdf
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/d83f399ae7efa0d6d75fd849c48071e4/warelonib.pdf
- http://cayxaotamphan.net/userfiles/image/file/nuzeburamijodipo.pdf
- https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/a74b2088a6ba96a143774033d4fd6b73/bolabidirepakovero.pdf
- https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/57a25a3a754164d804c80cefc8ef586e/46318454805.pdf
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a90066af5d4---84857370075.pdf
- http://sskj.pl/userfiles/file/jesijilutavulunaxojez.pdf
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090e3a2219f7---fojogutezutosed.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=robbie+williams+left+take+that
- 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_off0000ff6a.bine613835f7b667e37c673f581d021f8e51048228b6b7e3e11cf3f939b38096cd0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF6A | 10640 bytes |
font_01_sfnt_off000117e0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117E0 | 16792 bytes |
font_02_sfnt_off00012ff2.bin1b4a799f23268ded8fd7e0543cbd942c6135c21e51c10fab5b0c4ae633601bc3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FF2 | 18004 bytes |
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