MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document contains numerous embedded URLs that form a link farm, with several pointing to compromised CMS upload directories or disposable hosting. The ML classifier also strongly indicated maliciousness. The primary attack pattern appears to be a phishing lure, leveraging a link farm to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://irlanc.ru/uplcv?utm_term=hack+account+apk PDF link annotation
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/6c53e1cf1732f564244d668f5db6318a/raborixasujarirogu.pdfIn PDF document text
- http://uni-farm.pl/ckfinder/userfiles/files/7700767042.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138620b5a78d---potusilurupopubefizak.pdfIn PDF document text
- https://itchanoi.vn/uploads/news_file/pakamajiroxif.pdfIn PDF document text
- http://studiopiergentili.it/userfiles/files/meniwiguvutura.pdfIn PDF document text
- http://dzstock.com/Upfiles/file/mutiwematute.pdfIn PDF document text
- https://pingthye.com/userfiles/files/43258998978.pdfIn PDF document text
- http://tageedesign.com/ssmpt/documents/file/34433086481.pdfIn PDF document text
- http://tareeapartment.com/user_img/files/31917998960.pdfIn PDF document text
- https://semineebrasov.ro/printuri-fi/files/muriwuxipomapaj.pdfIn PDF document text
- http://25630638.kad.tw/kads/ckfinder/userfiles/files/95240973706.pdfIn PDF document text
- https://jagominum.com/contents/files/losuvujigijezekezo.pdfIn PDF document text
- http://wohingltd.com/userfiles/lutikavejojowawov.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa1f5e77ec---15892766479.pdfIn PDF document text
- http://zaiger.ru/img/file/58603319286.pdfIn PDF document text
- http://gysanya.com/upload/file/210916060552439249houz37rer3bu.pdfIn PDF document text
- http://balbu.eu/uploads/news/file/nonemalano.pdfIn PDF document text
- http://doxetrilinh.com/media/ftp/file/48741892324.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613530ebee196---vagagedirisegitojovas.pdfIn PDF document text
- https://uangraja.com/contents/files/28734766066.pdfIn PDF document text
- http://soc-in.com/data/media/files/bupedimilisege.pdfIn PDF document text
- http://softwarefactory.nl/images/file/miredofijuwefutev.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_off0000d419.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD419 | 18484 bytes |
SHA-256: dfc3e93c27ccd806c1dc65bf0da577e7a874333b8d6b02f41e56ea057be1b34d |
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font_01_sfnt_off0001045c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1045C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011c73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C73 | 10012 bytes |
SHA-256: fc015933f539bca3451da60d93e42896166429edaafdeae43a0df1d062a24a34 |
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