MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to compromised or disposable hosting domains, a common tactic for phishing or malware distribution. Heuristics indicate it's a link farm on disposable hosting and potentially a compromised CMS upload. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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 https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c5cecf5404c---fivufenodejojota.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/f66659bc5f3a2afbf03e5dcd6da85c03/75091395385.pdf
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160910cab085cf---maridogo.pdf
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ebe7b97e3---28512804435.pdf
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/bk7i6s5smi8hl07n3b9uuupi36/zixefinusomixa.pdf
- http://pileshoppen.dk/userfiles/file/mupebujewizuwapo.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/61e72d5abf1247752601e020b831e475/basiritumevufepixisiv.pdf
- http://cowmoo.org/ckfinder/userfiles/files/77943692512.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/2ku1kj4auaem6r7cd7sevqfmje/15438627744.pdf
- https://finatwork.com/userfiles/file/93486584412.pdf
- https://oklogistic.lv/upload/file/gidamoxopojofe.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/16079a81912fa3---wamado.pdf
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/1906384705effe55eea53cc90290cb56/92497226187.pdf
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa2ce1d8c7---fuwizezazulafig.pdf
- http://pitchdecor-construction.com/user_img/files/ferarezalub.pdf
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082acf873b28---34919120116.pdf
- http://frezerovka.by/images/fxeditor/file/54244285544.pdf
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/865f9f45ca5f42e6f64b32c57e30c7c3/49157563783.pdf
- http://surrattsville69.com/clients/8/81/8122276c22396d7fa0996010cc369f50/File/98812289896.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/444bb1ee787bafe92fc034cfcbd06d8d/wumiganoxexowurezobukekug.pdf
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/cf37aaac8b025313fe95639e34a656d5/pamasonagofitevomokodud.pdf
- https://sharadsangam.org/UserFilesTwo/file/pokapogisewekixifubobuxek.pdf
- https://vildmarksjagt.dk/userfiles/file/56400616524.pdf
- https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/5f712b63ed57cc16bd73e62797d759fa/71556293891.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d235644b71f---22363196138.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=linkers+and+connectors+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_off0000d68f.bin1b9b1bbd345b0009d5c2a6827dfdfe6e14db69537933279e64a01049cc0012bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD68F | 10616 bytes |
font_01_sfnt_off0000eef1.bina5299ff5d782a1c09f2b2ef3a3b8b896acc0d007f1907259800f5292f660ec64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF1 | 16880 bytes |
font_02_sfnt_off00011b0c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B0C | 16792 bytes |
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