MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm pointing to multiple compromised WordPress sites, suggesting a phishing or malware distribution attempt. 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 security. While no scripts were directly extracted, the presence of external URIs and the overall structure strongly suggest a malicious intent to deliver a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 7
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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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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://crysiq.ru/uplcv?utm_term=descargar+crack+para+sketchup+pro+2018
- http://www.wiz-fac.com/uploadImg/file/3569954564.pdf
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba186d9a7d2---16979239278.pdf
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b7543048b6f---90802449038.pdf
- http://copingconversations.com/userfiles/file/mozuv.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ff35abace27---48365895984.pdf
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/1fc1797492c1dc882493be70a74147f7/boluwulekumo.pdf
- http://precedent.by/_newsite/images_from_html_editor/file/11094289675.pdf
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/6237e8f494754daf91b5108c67e3061a/94278735490.pdf
- http://mousike.it/img_ins/files/41279170126.pdf
- http://jtour.vn/userfiles/file/wadudozidobolosufapa.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/vvp6lelivq43b7lq525d0e30oc/bugewet.pdf
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a40db1c5a2b---13041771834.pdf
- http://crisismobile.com/ckfinder/userfiles/files/sobafakapiwedadisitusa.pdf
- http://vtaky.sk/media/file/ziredanupozi.pdf
- http://montpellier-business-plan.eu/mbp/upload/images/images/upload/ckfinder/95181666905.pdf
- http://naasschoolofmotoring.com/fckeditor/userfiles/file/67101166592.pdf
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/071j5bcq3e0ov7jdconbhve54d/welixajuluwog.pdf
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/cd243c5c038b1c6c12b2d23f8be4655e/51307767369.pdf
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160afdc9587c41---tipigufagumegiju.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160d3c77ae934f---kasamusagiwalisomuz.pdf
- http://almar-bus.pl/userfiles/file/99150799363.pdf
- https://living-stone.lu/userfiles/files/59484843346.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_off0000ee0c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE0C | 16792 bytes |
font_01_sfnt_off00010623.bin33cbd2989b4e2a0d18bf2dae6a9a163d3711ba7107dcc2a51c40ecc303c05611 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10623 | 11104 bytes |
font_02_sfnt_off0001205b.bin15238d2ff3eaaadd587122d661ca41ef4d011460d568570681ff8623e040ecf6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1205B | 18540 bytes |
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