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 reveal it functions as a link farm, with numerous embedded URLs pointing to compromised CMS uploads and disposable hosting. This pattern is commonly used to distribute phishing content or further malware stages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://vds-construct.pl/userfiles/file/62870416273.pdf In PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/a132a8e059e73ba18cc3690ed9e0bea9/5708766933.pdfIn PDF document text
- http://korealabels.com/ckfinder/userfiles/files/83657274569.pdfIn PDF document text
- https://burlingame.com/wysiwygfiles/file/zujuwu.pdfIn PDF document text
- https://sonarmusic.hu/up_image/file/kunigak.pdfIn PDF document text
- http://microsolder.hu/userfiles/files/goragurotevurezi.pdfIn PDF document text
- http://miraesusan.com/ckupload/files/38025732143.pdfIn PDF document text
- https://www.groupe-coelho.fr/ckfinder/userfiles/files/toreme.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608824bb761c4---rokidetalerunozesaniradud.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3d16b1367b---bipurijonoja.pdfIn PDF document text
- http://woodbridgeabw.com/uploads/files/98735556239.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/rgudq7fn5djhbrjgud0k4jsek5/17618868784.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca99138a2c---63187619988.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/ebd7b3e356d8ffc91366ea9adac4ac96/45315608883.pdfIn PDF document text
- http://kengosushionlineorder.com/uploads/files/74318822734.pdfIn PDF document text
- http://kassa.pl/userfiles/file/95903095653.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e130f7c61a---vivarunu.pdfIn PDF document text
- http://benthanhsgfarm.com/images/uploads/files/nazidevekomejupekutur.pdfIn PDF document text
- http://backkwang.com/userData/board/file/foxukajuzatapilej.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a364b0c6f7---nonivisovi.pdfIn PDF document text
- https://turismo-galicia.es/ckfinder/userfiles/files/45009542111.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a070f36987---8173723578.pdfIn PDF document text
- http://cortabellanews.com/userimages/nuzigipodirul.pdfIn PDF document text
- https://himalayanthailand.com/image/upload/File/xezakoxula.pdfIn PDF document text
- https://misbahelmudii.org/ckfinder/userfiles/files/vivugibajisuje.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=do%C4%9Fadan+kay%C4%B1s%C4%B1l%C4%B1+form+%C3%A7ay%C4%B1+faydalar%C4%B1PDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e54c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE54C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fd63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD63 | 10876 bytes |
SHA-256: 47b9c08eb337f49705a719b4be2a363cdaaef6375f8a85476683279620453bbb |
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font_02_sfnt_off0001163d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1163D | 17724 bytes |
SHA-256: d09040ef65ca4d821b1ce42eb72e3088ea81c90770481357878f7e40d09285f8 |
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