MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload directories or are hosted on disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 http://chinatriage.com/ckfinder/userfiles/files/54784002432.pdf In PDF document text
- https://speedwayinfo.hu/uploads/file/lefasofo.pdfIn PDF document text
- http://yer-krasnodar.ru/ckfinder/userfiles/files/kegepadepa.pdfIn PDF document text
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/jitezunevebesudedodi.pdfIn PDF document text
- http://waypl.pl/upload/File/45769413857.pdfIn PDF document text
- http://misr-consult.com/userfiles/file/63276017883.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fde1acb758---boraruvutawutulozevada.pdfIn PDF document text
- https://bodykneadstherapy.com.au/ckfinder/userfiles/files/35514833396.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/161585b76c47be---11670710061.pdfIn PDF document text
- https://anjingliar.com/contents/files/69121113325.pdfIn PDF document text
- http://mos-craciun-inchiriere.ro/fckfiles/file/80233429084.pdfIn PDF document text
- http://yyfxsw.com/upload/files/xunawawusopogumoji.pdfIn PDF document text
- http://www.itidharamshala.in/images/uploads/files/bugozetaxezumobabemoxi.pdfIn PDF document text
- http://fuhua.tumujike.com/assets/upload/files/202109060030138893.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1614b66e6555c1---pateleromogufato.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/rofejo.pdfIn PDF document text
- http://csp.hu/editor_up/ladakadijaxivejiri.pdfIn PDF document text
- http://4chan.ro/UserFiles/file/48823317417.pdfIn PDF document text
- http://sutipatika.hu/userfiles/files/kekubusurexujajemaxowub.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136b488b3b7f---xupibuguwiref.pdfIn PDF document text
- http://minhphucvietnam.com/uploads/userfiles/file/90377997927.pdfIn PDF document text
- http://investbuild.ru/var/upload/file/dibigewixa.pdfIn PDF document text
- http://studiosiciliani.eu/userfiles/files/96224474864.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=her+eyes+are+watching+godPDF 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_off0000b08e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB08E | 14676 bytes |
SHA-256: 29b3fc0981aed1953d71884e71982cf7a4a10e0201d43a11a9a28838bda48f45 |
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font_01_sfnt_off0000d502.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD502 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ed19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED19 | 10792 bytes |
SHA-256: 7a4669c20bd15c866529715976380acb4bf14eda848d174964cf5b0a8317e3fe |
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