MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to numerous disposable hosting domains, suggesting a phishing or malware distribution campaign. The document body was unreadable, but the presence of many external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly indicate a malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://bitite.lv/media/txt/122/file/11719822051.pdf
- http://dentherapia.hu/files/file/75413036606.pdf
- http://hzjksj.com/images/upload/File/bokojeremuwedonojarita.pdf
- http://xboxheerlen.nl/userfiles/file/tiwifomiwovudob.pdf
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/1a4df0cfe6040aa65c9bc1e1a1797621/sikegeromajopo.pdf
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/ee35b5324b2960ba146505ad32bed440/salimavuwowexirabowat.pdf
- https://myupfield.link/wp-content/plugins/super-forms/uploads/php/files/boc5v15mdifbr0c0qbanc6t0qo/13487630004.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/2121df912e7135322903128da222b88b/tinomilofalasozilesa.pdf
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/5593f12e838eafb54515b7a131717199/84571704002.pdf
- https://aimara-bg.com/userfiles/file/wexelogutazodekekemodof.pdf
- http://i-daa-wl.de/userfiles/pimixabevofex.pdf
- http://bafiti.com/sklep/userfiles/file/52994836126.pdf
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/a0267242dc04c790502b7bd731f92048/zevosixurilel.pdf
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/e0ee18350a42de86e08a4863741a8b6e/20838977490.pdf
- https://tenshinorchids.com/FCKeditor_upload/file/51131558880.pdf
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16072d1957a775---gabeliwigagazodudowev.pdf
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/48d27547fb2a39327c89cebf5e5e23a6/dagiroxejagetu.pdf
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e53330f816---31208650536.pdf
- https://fablab808.com/nbloom/fckuploads/file/65307081757.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160d575433ecda---76399702183.pdf
- https://booknowrentalimo.ch/userfiles/files/87514864961.pdf
- http://anhuizhkj.com/upload_fck/file/2021-5-25/20210525095213156297.pdf
- https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/32491c3874e8714bf1e87095b0034a2d/togomujoxumopanavadore.pdf
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/f42118ac6ef00dcb5170d9422282e2a8/74776158378.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608600b6c3012---12956371016.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=near+gale+force+winds
- 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_off0000ec08.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC08 | 16792 bytes |
font_01_sfnt_off0001041f.binea2aff781311e254220f82c8c1de42a89fb989ba2c4e9ec3cb851e32f9479e1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1041F | 10616 bytes |
font_02_sfnt_off00011c50.bin58b76de64dfcd85c1b4b8588450ef69fa9ed5a1b68e28c4d6b10a8fda5ffa5cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C50 | 17736 bytes |
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