MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicative of a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is heavily obfuscated and unreadable, providing no direct content-based clues.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://canhtoanland.com/upload/files/delujinegaditimebuk.pdf In PDF document text
- http://slenderclub.cz/ckfinder/userfiles/files/wokit.pdfIn PDF document text
- http://pasted-radio.de/web/files/taxafemegokaxi.pdfIn PDF document text
- https://myshalewell.com/userfiles/file/21825625945.pdfIn PDF document text
- http://upakuika.com/img/file/xakefoguwataduzuk.pdfIn PDF document text
- http://bwc.lt/i/35621028476.pdfIn PDF document text
- http://sinorarechem.com/upload/files/63726745001.pdfIn PDF document text
- https://merohamro.com/ckfinder/userfiles/files/doteneloramokumuwolej.pdfIn PDF document text
- https://proetcontra.hu/userfiles/file/sinaderafadesuwenanuk.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/cbe1158e5de4a76557e6930e80f3d2dd/54499536425.pdfIn PDF document text
- http://puzynowska-kancelaria.com/userfiles/file/17678490287.pdfIn PDF document text
- https://pensionradvanice.cz/res/file/7002234134.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144e4ad061de---95259461757.pdfIn PDF document text
- https://hyundainhapkhau.vn/upload/files/8480284022.pdfIn PDF document text
- https://kueapem.com/contents/files/lotumoziladiwukixulaxo.pdfIn PDF document text
- http://makassitools.com/userfiles/file///26543875259.pdfIn PDF document text
- http://friulanamarmi.it/images/file/vegosofizitizige.pdfIn PDF document text
- https://printsolutions.printsolutions.bg/uploads/wysiwyg/files/wifuvudabakoliwatagulon.pdfIn PDF document text
- http://hondasushi.com/uploads/files/jusizajezipukujawomoza.pdfIn PDF document text
- https://thietbivesinhanhhuy.com/asset/files/88406558200.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16134161cd4a4f---68689822309.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143d7cfe5a31---39591694209.pdfIn PDF document text
- https://ctsgroups.asia/images/file/75534750103.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=new+pokemon+game+androidPDF 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_off0000e609.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE609 | 17152 bytes |
SHA-256: 6097055be3d713b33d62a80631c624acd66d7a8ddd26f5b9a3ca9c0bcc7797de |
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font_01_sfnt_off0001128d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1128D | 10576 bytes |
SHA-256: 4e3163b7a97c83b6c3d2522f3a0b051665d947faa5f261e5442d89d1a9a25b67 |
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font_02_sfnt_off00012a79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A79 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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