MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution campaign. The presence of external URIs and link farms indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://synerhu.ru/uplcv?utm_term=decode+base64+to+image+javascript
- https://tecnibat.net/uploads/archivos/rogigawugibejuxow.pdf
- http://www.contectrade.hu/fckfiles/file/dutivijozowotisafosi.pdf
- http://getem.plfiles/file/tafadowanazaledez.pdf
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/0cafc146bbddf0a34a1ef97ac15b352b/97155920615.pdf
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/84fc01ffbf71edeff71fcf7a1d277dfe/22936876423.pdf
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c493600028---62123680511.pdf
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160719a0ec0bef---46926956359.pdf
- http://baraanduliaptti.org/userfiles/file/desowuvasuvimajinosegowa.pdf
- http://jlm-kg.com/uploads/file/28851319347.pdf
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/7bc4e64f29a3f2a1c2eff8a9e00df092/bivututimogugupozolukeb.pdf
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607473bd6dfb5---tewopafitogen.pdf
- http://scheidenschiedam.nl/uploads//file/lobif.pdf
- http://buffagiuseppeinfissi.com/userfiles/files/taliwasumegelitonat.pdf
- http://mai-colle.jp/userfiles/file/93671696808.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/717e280ac50db16a9a9b2ce910f48a78/wikufegakowenukakulusetud.pdf
- http://uci.ir/userfiles/file/49717738575.pdf
- http://tycoonmedical.com/userfiles/file/87206611990.pdf
- http://i-harmonics.com/upload/files/67999424865.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6379aca8bd---28112578864.pdf
- http://vivatbacchus.hu/files/file/89562958427.pdf
- https://abeess.com/userfiles/file/99352086570.pdf
- https://aawyx.com/sites/default/imageuser/file/javasorajojetodas.pdf
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef8ed063a4---robiworewe.pdf
- http://nhasachnguyenvancu.com/Images_upload/files/pegadexutibobobibamobezi.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_off0000c881.bin194a9bfa808d0ad186a1642b785868395382e34400f2620e20538a7a36bccfd9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC881 | 11292 bytes |
font_01_sfnt_off0000e2b0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2B0 | 16792 bytes |
font_02_sfnt_off0000fac2.bin3af6334b38b0f5f984dd04641d45f17d48e790c472fd1495547fc9b2e56e833a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAC2 | 17352 bytes |
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