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 ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to potentially compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The PDF's structure and embedded URLs are consistent with attempts to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 https://labelmarket.pl/data/file/gonuberevazoten.pdf
- https://koltoztetes-szallitas-lomtalanitas.excore.hu/ckfinder/userfiles/files/divavozefoludoxusasavepew.pdf
- http://hotel-gerard-dalsace.com/upload/document/pokawemomesaxaritarex.pdf
- https://inprovit.com/ckfinder/userfiles/files/83192394926.pdf
- https://alicantea.centralcms.cloud/galeria/files/natefubewinuro.pdf
- http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/2273759079.pdf
- http://happy-land.hu/editor_up/nuzukubi.pdf
- https://juraganmonyet.com/contents/files/95968161340.pdf
- http://devveb.net/userfiles/file/53771928373.pdf
- https://rrr71.ru/upload_picture/monojafe.pdf
- https://www.allduniv.ac.in/ckfinder/userfiles/files/87319111930.pdf
- http://chinazzjx.com/d/files/40742587182.pdf
- http://bursaceyizgelinlik.com/images_upload/files/73235235849.pdf
- http://eskuvoiiranytu.hu/blog/file/54812827422.pdf
- http://miroslaws.com/ckfinder/userfiles/files/50259921305.pdf
- https://funcarele.com/ckfinder/userfiles/files/rufijizeseji.pdf
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613f96fda3013---tokudugoliwebu.pdf
- http://generaldistco.com/images/file/87338312041.pdf
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/elnmahcu5d74r00dhvjhtbqgn3/bomijawiwifibuzovujosoj.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/eaaf677d735ac7d41dbb0e87401ed97a/fexikojuf.pdf
- http://romento.com/uploaded_files/userfiles/files/fujozaniginewuvubuzuzezo.pdf
- https://muachungbaohiem.com/uploads/userfiles/file/54911204243.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=tobira+gateway+to+advanced+japanese+pdf+download
- 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_off0000daf9.binc8c9d78cc2a483fde44d51c9a7834d40ba922c428adf9543171f96b0baea5499 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAF9 | 20752 bytes |
font_01_sfnt_off00011154.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11154 | 16792 bytes |
font_02_sfnt_off0001296b.bin91eb940032bb6901b901dc577bdd2d1a43dac44636e5bb16c1dd49e940194bbb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1296B | 11296 bytes |
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