MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous external links, many of which point to compromised WordPress upload directories or are hosted on disposable domains, suggesting a link farm designed to distribute malicious content. The presence of a 'download button' heuristic further supports the phishing lure. ClamAV detection and ML classification confirm the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://philabc.ru/uplcv?utm_term=cannot+find+zipfile+directory
- https://www.playitdirect.ca/ckfinder/uploadfiles/files/48632571358.pdf
- http://thetsaban3watnuea.com/UserFiles/file/putedefizagetuv.pdf
- http://infoguard.ru/content/file/bofolak.pdf
- http://balalajka.nu/media/25253788691.pdf
- http://www.gpkoaee.ru/ckfinder/userfiles/files/mokakotuwikakugisogumuzo.pdf
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161583135de354---29035118402.pdf
- http://aapltd.net/userfiles/file/75866673001.pdf
- https://genegurumiraclehealer.com/userfiles/file/wotanosokiraxevosuna.pdf
- http://thinhhoanggia.vn/Images_upload/files/madogikegasafalazoterufu.pdf
- http://menifee.hanasushichoice.com/uploads/files/mevulovamemo.pdf
- https://budapestpainter.hu/ckfinder/userfiles/files/noral.pdf
- http://papinchess.ru/userfiles/file/40058134810.pdf
- http://heydarbaba.org/resimler/files/26576270961.pdf
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615323326ab3c---xalokufosarubutanebow.pdf
- https://bozoklar.org/ckfinder/userfiles/files/juvapederirorefivebe.pdf
- http://3q1p.com/upload/file/210917042812108046ullmd6xyxx2y.pdf
- http://dilimkebab.com/userfiles/file/visoduz.pdf
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/g1sjmmaq46cq76l01tvqrqrbbu/64689081521.pdf
- http://vladjurnalist.ru/archive/file/bigafid.pdf
- http://bigdoughpizza.com/uploads/files/rixoledobul.pdf
- https://gplacestracker.com/userfiles/file/xodusijaruluxupexirejubu.pdf
- http://radio6deenero.com/uploaded/files/bejibuzim.pdf
- http://chalappuram.com/userfiles/file/5420156661.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_off0000e499.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE499 | 16792 bytes |
font_01_sfnt_off0000fcb0.binaa6eb39cfb1fac35578b2ba61d0483d959a0aaa5191bc7da873222be13329d87 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCB0 | 10648 bytes |
font_02_sfnt_off00011546.binbdf7ff89d656906a3678979ddc2ff4dbcaf8f20b253581dd53805578ae50f259 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11546 | 21508 bytes |
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