MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate the PDF acts as a link farm, directing users to multiple compromised websites hosted on potentially disposable domains. This suggests an attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9807
Heuristics 6
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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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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://linkipt.com/_UploadEditor/files/11982133580.pdf In PDF document text
- https://tenfci.org/userfiles/file/10064804916.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/809fff04f44631995699bbc926258d72/48756902063.pdfIn PDF document text
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/c3b4d66670cf1747d34c6231fb9b68ee/dazuvesulokibi.pdfIn PDF document text
- https://huaku3c.tw/uploads/files/202109151518338750.pdfIn PDF document text
- http://shtaket46.ru/page_edit/_samples/userfiles/files/nomeperiw.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161301be528c93---48632489349.pdfIn PDF document text
- https://magyar-logyogyasz.hu/fileok/file/zegobu.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/00360644c2209c88486bdae3b760d66c/49519171658.pdfIn PDF document text
- https://jancsoalapitvany.hu/ckfinder/userfiles/files/sivafom.pdfIn PDF document text
- https://adikkedua.com/contents/files/41180140396.pdfIn PDF document text
- http://podhoru.cz/userfiles/file/tusit.pdfIn PDF document text
- http://benthanhsgfarm.com/images/uploads/files/27024970500.pdfIn PDF document text
- https://singlespeed-switzerland.ch/userfiles/files/goxirofezugivebitekomanu.pdfIn PDF document text
- http://solarissoft.com/img/userfiles/files/getedofitozadivegedigogiv.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613671f910d0b---93556110483.pdfIn PDF document text
- http://www.mab-solutions.fr/upload/file/vorobekujelaroramumovo.pdfIn PDF document text
- http://ankurgroups.com/userfiles/file/55978666881.pdfIn PDF document text
- https://aznamaste.com/ckfinder/userfiles/files/57934975273.pdfIn PDF document text
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613e32817095a---42454028724.pdfIn PDF document text
- http://radio-salsa.fr/php/rs/filesupload/file/sidexosupitogetomu.pdfIn PDF document text
- http://studiomarazzi.eu/userfiles/files/97903485989.pdfIn PDF document text
- https://postelezmasivu-ostrava.cz/ckfinder/userfiles/files/56121353014.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614452da7da56---betesudinumatinud.pdfIn PDF document text
- https://promtour-rural.ro/userfiles/file/lunafagulotij.pdfIn PDF document text
- http://kppzp.pl/userfiles/file/butavokarofikiz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=nintendo+3ds+no+androidPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC4D | 22296 bytes |
SHA-256: 50e9612613af20113329cb1f1a36e6698035765a65bc3770cd321360204e55c5 |
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font_01_sfnt_off000115eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115EB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012e02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E02 | 10344 bytes |
SHA-256: f8c6a82b67b6f7fd54143658a845ad69a29761d50296c2592b0ca990e847010b |
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font_03_sfnt_off00014580.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14580 | 1840 bytes |
SHA-256: e11639021ae82bc81d66597892112dbefd7f2cb67f426bbebb6fc3c29591e729 |
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