MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. Heuristics indicate this is a link farm designed to distribute content, and ClamAV detection confirms it as a phishing trojan. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://pistant.ru/uplcv?utm_term=scanner+software+for+samsung+scx+3401 PDF link annotation
- https://aymsoft.us/aym_image/files/livoz.pdfIn PDF document text
- http://jd6618.com/jd6618/file/2021-9/file/LwpCms2021_09_10_17_45_34_9710.pdfIn PDF document text
- http://group-anons.ru/userfiles/files/mexitekuxu.pdfIn PDF document text
- https://yingzhaoliuart.com/upload/file/78864297442.pdfIn PDF document text
- https://warungmimpishio2.com/contents/files/46594796472.pdfIn PDF document text
- http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/57034727375.pdfIn PDF document text
- https://spyboarcams.com/files/novefigifikit.pdfIn PDF document text
- http://creative-format.com/upload/editor/files/mizulafepukigunexesuv.pdfIn PDF document text
- http://gazetavk.ru/img/file/safifepizesiri.pdfIn PDF document text
- http://forma8.kz/ckfinder/userfiles/files/sozisakubumasugamituxe.pdfIn PDF document text
- http://greensketch.in/userfiles/file/33366610108.pdfIn PDF document text
- http://gonvvama.net/filespath/files/20210907173438.pdfIn PDF document text
- https://epgeptech.hu/ckfinder/userfiles/files/gekifokevaxeretawigulid.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/d999fc5aea8574dc5614566e2f249477/2482323809.pdfIn PDF document text
- http://popnmusic.fr/userfiles/file/toraxepa.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/odivaragogukekamewoliz.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/5dc44f3b80749d933300f39c877b3650/kajoboxivigizuzuxuwitela.pdfIn PDF document text
- https://thaibamboorestaurant.ca/phpsites/bard_ford/uploads/file/benosuvo.pdfIn PDF document text
- http://www.village-gaulois.org/gestion/ckfinder/userfiles/files/lukenogajaruzewika.pdfIn PDF document text
- https://fengshan-zhennangong.org/upload/ckfinder/files/tobufojazi.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/709711e0779bac4ebf143a5e04e7a6fc/xowigoxisike.pdfIn PDF document text
- http://immobilieninvestors.com/userfiles/file/batome.pdfIn PDF document text
- http://koreaseals.com/ckfinder/userfiles/files/46141451909.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_off0000d823.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD823 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f03a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF03A | 11328 bytes |
SHA-256: 1696b1bab4bce3cdbea9c2f282297a2ee4221a8006d10a85fa2159e1b18702c8 |
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font_02_sfnt_off00010b19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B19 | 19524 bytes |
SHA-256: aec5d5a58205c99d848ad94bd41806f4cc029664fc44a8a1ff4c4765f67ed4b7 |
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