MALICIOUS
164
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, specifically as a phishing trojan. It contains numerous links to external websites, many of which appear to be hosted on compromised WordPress installations or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=11th+english+notes+pdf+download
- https://classconnbio.com/img-jacson/files/loxuruxeponupevu.pdf
- https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/3956b3c2854ac62bd1eedd669eedaca4/92488861295.pdf
- https://garraldaarquitectura.com/garralda_userfiles/files/gobowu.pdf
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/be56f9851d321dbdbef99f9da68c1688/jerer.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/62f96f722462e1b17e91d5f3f5ef11cf/47399782662.pdf
- https://djennebeads.com/nbloom/fckuploads/file/37090792020.pdf
- http://erdivigado.hu/userkepek/file/mobolodesewetonenok.pdf
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d125c81df8---39011813838.pdf
- https://advantagelic.com/singhania/downloads/file/44698441166.pdf
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cddd2e1a081---84445601726.pdf
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/120bc2c594f51ea372a095948873a737/57633933952.pdf
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/u0ghnret488qb960knkd8kcrkl/somigoge.pdf
- http://abwfinlay.com/uploads/files/39440556479.pdf
- http://emotionpicturesfestival.gr/userfiles/file/rovowekedowem.pdf
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/86dbcbbdf208b4e3ec72db816cce4f72/23211173844.pdf
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c7895540ca---61056110788.pdf
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/afe41188822a6f5056157f733d0b3f69/94942217218.pdf
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/f073hq0ucsg3al65n1sp7csj2c/xuribowixida.pdf
- http://bezagsecurity.cz/userfiles/94559019193.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160741f13bd138---59182150445.pdf
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/85a32adb8afd6d82dbd13ed4a89d150f/xuxolumabejipoxifofulasi.pdf
- https://karinbentum.nl/uploads/file/nawapofafosudis.pdf
- https://net-mex.hu/ckfinder/userfiles/files/wusokujatizi.pdf
- http://poongdung.com/FileData/ckfinder/files/20210703_0E72AB9AB38DCC5A.pdf
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/d21dba2f3c3988b97154437135de0a45/28218675156.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_off0000e800.bin6885fe29515a7aa56f187a7461c8209fe0ed69c423dd2b07b1b66fb38aa253ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE800 | 10716 bytes |
font_01_sfnt_off00010068.bin53e3246bb5ddb16a28bc55adfecac449e35aa69c4b9c137abec6fc50df69b298 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10068 | 17308 bytes |
font_02_sfnt_off00012d76.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D76 | 16792 bytes |
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