MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains numerous external URIs and link farms pointing to potentially compromised websites and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the structure and URLs are indicative of a malicious link distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://drafthe.ru/uplcv?utm_term=phone+update+video PDF link annotation
- https://allcreaturesinc.com/files/files/10488169666.pdfIn PDF document text
- http://viethanit.vn/hinhanh/file/dopodamam.pdfIn PDF document text
- https://szabobuszberles.hu/files/files/70662958279.pdfIn PDF document text
- https://mgs-on-track.com/app/webroot/userfiles/file/baxivogunaleporotazi.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/6ju4sfkn6tgllpuhdgrgoeead1/1953514292.pdfIn PDF document text
- https://jin-hung.com/userfiles/file/14005172950.pdfIn PDF document text
- http://ned.ru/uploads/files/56389107779.pdfIn PDF document text
- https://huaku3c.tw/uploads/files/202109041559244696.pdfIn PDF document text
- http://purepoem.com/resource/docContentImg/file/2021-09-04/0b070d66f20eb5f3ab9d371a12b50fef.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/6762e6c09378b2607549fbf779ec7958/didutaluzetigedafupe.pdfIn PDF document text
- http://incomingmakedonia.com/files/files/zedatubenewedaza.pdfIn PDF document text
- http://offerseir.com/basefile/offerseircom/files/gusegodalafilavade.pdfIn PDF document text
- http://www.recko.ru/ckfinder/userfiles/files/5756933181.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/hb7prsoot6snbci1drbdvuijha/30854348975.pdfIn PDF document text
- http://uhy-th.com/image/upload/files/wurelas.pdfIn PDF document text
- http://baoveantam.info/upload/files/49360335712.pdfIn PDF document text
- http://thietbiotovn.com/Images_upload/files/98635602949.pdfIn PDF document text
- http://groupkaishan.com/d/files/858987479.pdfIn PDF document text
- https://www.jdconstinc.com/ckfinder/userfiles/files/5538062974.pdfIn PDF document text
- https://museuminiaturesbesalu.com/files/40759092900.pdfIn PDF document text
- http://shijijiaming.net/filespath/files/20210913094931.pdfIn PDF document text
- https://dildendilecevirievi.com/upload/ckfinder/files/xubafegijemit.pdfIn PDF document text
- http://xn----8sbemnkjd7bfu.xn--p1ai/design/img/upload/file/69800784133.pdfIn PDF document text
- 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_off0000fea8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEA8 | 18724 bytes |
SHA-256: b498312d337c233f02f525e985632868485a9c17935851c20c20a1a45762508e |
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font_01_sfnt_off00012f8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F8B | 10344 bytes |
SHA-256: 1095750113dc3f34b5618ec5764b310d3a5d9538b36497ed972b535a30d693a1 |
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font_02_sfnt_off000146d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146D4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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