MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded links, many pointing to compromised WordPress upload directories, suggesting an attempt to host and distribute malicious files. The presence of a 'download button' lure further supports a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 8
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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 http://elm3rad.com/file/91324868193.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/e55c203eadd7dba185ecbdae44f843b3/dokupevizidakikokan.pdf
- https://smartcrm.cloud/upload/files/30820668295.pdf
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/cfe6748a954ab562aab4290de0fb874a/zonokibodifite.pdf
- https://szelvedojavitasmiskolc.hu/files/files/nupixefawazujabuvur.pdf
- https://travelstore.tn/userfiles/file/53369178177.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e5b10207aa0---12931011640.pdf
- http://bargiel.com.pl/ckfinder/userfiles/files/bozelonexoja.pdf
- https://parfumzone.ro/files/file/dukukigifirupo.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609a0e52e6449---vefanoxogexijejiruf.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e4dc83655c---37764720472.pdf
- https://linhngapt.vn/upload/files/lafazakodidew.pdf
- https://viceda.com/userfiles/file/65185931033.pdf
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/4uu7jb21bg4hdgk9cikde1ovt5/24718815723.pdf
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/16082a5e856832---zikunosadaguwuwumidike.pdf
- http://7166867.ru/ckfinder/userfiles/files/lovisegejewefatoj.pdf
- http://automsystem.com/UploadFile/file/20210720222403021.pdf
- http://weighlessthisyear.com/ckfinder/userfiles/files/10350049024.pdf
- http://pieseclimaauto.com/files/file/67591259280.pdf
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/16105febf64419---92794784635.pdf
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/1755d579dea163399184afb714e0ec35/26050149266.pdf
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160abd779708dc---80603372159.pdf
- https://dodatnagarancija.com/userfiles/file/26110728398.pdf
- http://hanasushimenifee.com/uploads/files/48451733442.pdf
- https://northwestconvention.cz/data/files/61548416024.pdf
- http://etalentlink.com/uploadfile/file///2021082011023731.pdf
- http://inistor.com/ufiles/files/zefaxaja.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=manual+da+impressora+canon+pixma+g3100
- 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_off0000dd5a.bin6f0a9fc22122c99733717e42c81ff402ea96824a2003a740d306e5c37ab92c04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD5A | 11300 bytes |
font_01_sfnt_off0000f79d.binbb770dbdf14b693f4589b564367efb9b303fa9c0085247c13df4658210de2460 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF79D | 19184 bytes |
font_02_sfnt_off0001293c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1293C | 16792 bytes |
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