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 external URIs, many of which point to compromised WordPress upload storage or disposable hosting, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lure victims to malicious websites for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/10d02c0847b8acfdfee6318c17ca6713/66165607396.pdf
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/1d4eef81b424b70d016b4788b8bfc3d5/noxalawowerejak.pdf
- http://csc0851.com/userfiles/file/20210703132235_p3ag3f.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/d097102880652d089b8e51d234b95a3c/vijepisibopibotiku.pdf
- http://xahscw.com/userfiles/file/49270457733.pdf
- http://chinahongji.com/d/files/63593238036.pdf
- http://whsclass1968.com/clients/f/f8/f849445bb2fb8f42e7c863050dc1ba38/File/61752744305.pdf
- http://studiolegaletrotta.eu/userfiles/files/92922022874.pdf
- http://1night2day.com/ckupload/files/ruxokove.pdf
- http://gancza.pl/userfiles/file/wixam.pdf
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a06c5a920a4---74566787731.pdf
- https://by-express.com/upfiles/editor/files/mapivumijupitenilik.pdf
- http://vytvarnyobchod.cz/UserFiles/File/wonojosase.pdf
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16074566c4af99---35016462196.pdf
- http://anhuicrew.com/upload_fck/file/2021-5-9/20210509063000458330.pdf
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/0bc84aeae651d3906c6559450c292910/zudojukupu.pdf
- http://mppscstudy.com/admin/usercontent/file/kununorazomo.pdf
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a382f474491---xabitexijofe.pdf
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/djlvdju7aokqdfrs3okfj41i80/rivafurenebilu.pdf
- http://filatelianumismaticaumbra.it/userfiles/file/bivexatuporarajipa.pdf
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d23814638d---beparagakodaramaxixawufu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=watering+of+eyes+in+old+age
- http://pro.ovh.net/~tribuene/images/banque/file/tufojaw.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_off0000ec62.binf535eb6b2372c7aeca7327f354ffaefe2dc84a63fae4f97b4997a1cad5e25a37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC62 | 17236 bytes |
font_01_sfnt_off00011958.binff42cb2897ddc692c18bceeade09e88d3c1e2ec6bfd49efe8c771da82a6c0842 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11958 | 10636 bytes |
font_02_sfnt_off000131a0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131A0 | 16792 bytes |
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