MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to redirect users to malicious content. ClamAV and ML classifiers confirm its malicious nature, specifically flagging it as a phishing trojan. The embedded links suggest an attempt to exploit users through deceptive websites, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608273130d835---78914792451.pdf In PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c43e0dbb76---55088640951.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090e32546345---zalurekajazab.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/avnrhud6g0jedm0c3qobr17v1r/15230707024.pdfIn PDF document text
- https://evpersoneli.net/ev-personeli/file/zasugebatuz.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/nrd53tun9uqs7ecoqmgmmlf92i/2566589396.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/82056124814.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acee60c25c3---12394447841.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160738ca3d8013---37214665656.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/li9r9li6ca41jm75ro1lfgoqc3/36825578663.pdfIn PDF document text
- https://oteaexpert.fr/cite_imgs/file/nugojomakewabujuzipez.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/91545619347.pdfIn PDF document text
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1607259eaafb0c---jiteninitomipigefetunal.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/97227402841aaa368351382b2d7bf36d/mufezewiwomawusuzi.pdfIn PDF document text
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16081c50df2529---sizaxajeluditerobasij.pdfIn PDF document text
- https://kalyna.ua/sites/default/files/userfiles/file/6140176418.pdfIn PDF document text
- http://arohitourandtravels.com/userfiles/file/duwodilo.pdfIn PDF document text
- https://stomatoloska-ordinacija-rijeka.com/files/94170384967.pdfIn PDF document text
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/27k36rfrha92ijahonq0aqj1cq/zilaxijezigodateli.pdfIn PDF document text
- http://www.pranabkumar.com/fckimages/file/fugimosutenivu.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160c1993ad054f---64516528424.pdfIn PDF document text
- http://aldo-ins.com/userfiles/file/ruvatixipovaf.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1e50f2905---55598999643.pdfIn PDF document text
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1d35316b6---letigosegolip.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096301b4a401---pazalo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=waste+of+wordsPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f9f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9F3 | 17000 bytes |
SHA-256: ea42dca921f3dd1e0e883cfa63a000a3d6dbfec539539fe66717cbd3103f4070 |
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font_01_sfnt_off0001261b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1261B | 10184 bytes |
SHA-256: 6815f6ee640a0d1fc6d8823dfd1986d1a93212cceed6005c3969a8a17389625f |
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font_02_sfnt_off00013d29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D29 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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