MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to compromised WordPress upload storage, suggesting a lure to download further content. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway scanning. While no scripts were directly extracted, the PDF structure and link farm indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://beauty-full.ru/uploads/files/22298497983.pdf
- http://geose.ru/userfiles/file/87776800721.pdf
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16087e3d17e296---54845374861.pdf
- http://aep-tc.com/cache/fck_files/file/51643917826.pdf
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609822302d674---dusubigolevufu.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/3m3ltqdgddh80dtovduda66kcu/mujenira.pdf
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b345e0560c3---25577779672.pdf
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/ea89a7d5558f98e33f9ae125c899bd63/90337007641.pdf
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/i9a3ti9mjqrjqgba7cmh1p3sb7/muzobujowikil.pdf
- http://polyalpan.hu/_user/file/jokop.pdf
- http://sharon-barron.com/userfiles/files/xunetevemezisobuva.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c439f8619d7---mavoxelifog.pdf
- https://ichibaninfotech.com/ckfinder/userfiles/files/91402400049.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608d6a3aad9ea---72565131113.pdf
- http://shengyaweb.com/uploadfile/file/2021072723095263.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/9993vcuj19g0q03gfrpce7lqmt/80638994028.pdf
- http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xisipakibabeje.pdf
- https://aaaxxion.info/images/file/83309715408.pdf
- https://perfecthospital.net/ckfinder/userfiles/files/3851118096.pdf
- https://sanipacific.com/attachment/file/34637063725.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9daf9924b---luzig.pdf
- http://simkoongschool.com/uploads/editer/files/47232926091.pdf
- http://eaeocs.com/clients/c/c7/c75ed17bfa54634cfc1039f1b599a7e7/File/farofinisekutew.pdf
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088c795e0ebd---11842794724.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160717af392ff1---rusowatitekixu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=dell+optiplex+755+maintenance+manual
- 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_off0000f327.bin706e46faf80c50daaf965c595dcdb03383f0f2c0b10c1a3531ba14f012af8f2f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF327 | 16832 bytes |
font_01_sfnt_off00011f40.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F40 | 16792 bytes |
font_02_sfnt_off00013757.bind1eac2cf620d2464371790801e2b7861f235c88c6e4eea372d0577b1c16b04f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13757 | 10652 bytes |
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