MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs, many of which point to compromised CMS uploads and disposable hosting, indicating a link farm designed for phishing or malware distribution. The ClamAV detection and ML classifier further support its malicious nature. The primary attack pattern involves luring users through a malicious attachment to a site that hosts further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.5058
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://digitalpolicycouncil.org/imagenes/file/27311542364.pdf In PDF document text
- http://fitviewer.de/files/file/vununosusoxunodudogu.pdfIn PDF document text
- http://raylutickenterprises.com/userfiles/files/tuditaxokupo.pdfIn PDF document text
- http://villalapinetafavignana.it/userfiles/files/57526979231.pdfIn PDF document text
- https://www.zolmedis.lt/ckfinder/userfiles/files/farurujuwodiwutadepelaxu.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/161303dd86b304---44786379943.pdfIn PDF document text
- https://menuiserie-sainte-anne.fr/userfiles/file/26324976501.pdfIn PDF document text
- http://recrute.fr/files/files/85004772827.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/366e78990398418b533df013cb379679/51046592642.pdfIn PDF document text
- https://szemvidito.hu/sfwkr/feltoltesek/Images/Image/bexakufiwetosigobonoz.pdfIn PDF document text
- https://tefen67.com/userfiles/files/wupasakofolise.pdfIn PDF document text
- http://kenshopvn.com/uploads/files/fedavatokajetanug.pdfIn PDF document text
- http://eng.sut.ac.th/tce/2016/administrator/ckfinder/userfiles/files/77001823441.pdfIn PDF document text
- https://gastriklandsbf.se/UserFiles/files/zopokebetupevifusiwe.pdfIn PDF document text
- http://www.como-grup.ro/fisiere/file/gifavu.pdfIn PDF document text
- http://bibikid.ru/upload/55720104533.pdfIn PDF document text
- http://palestraarkadia.it/userfiles/files/kagimavodikedek.pdfIn PDF document text
- http://simonhoirup.dk/userfiles/file/gunubazaguvopuvafuzol.pdfIn PDF document text
- https://oglethorpeclub.org/~oglethor/UserFiles/file/80922244788.pdfIn PDF document text
- http://icbiz.ru/userfiles/file/18503607462.pdfIn PDF document text
- http://king-pro.com/userfiles/files/tosadujelu.pdfIn PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/01jkbaqloph6438jhvo759tmjh/nebenomegor.pdfIn PDF document text
- http://petukmahaaaraj.com/userfiles/file/43928752307.pdfIn PDF document text
- http://stitesattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vezam.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=child%27s+play+1988+free+full+moviePDF link annotation
- 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_off0000c76b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC76B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000df7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF7D | 18664 bytes |
SHA-256: 88ab1eeedb9db81855d0197b24a676f90ed671a63df8c3d295535655bbe96683 |
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font_02_sfnt_off00011042.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11042 | 11336 bytes |
SHA-256: 4ec5a41c2a499cda1bf899cc563dbda3575d8a45eac61e004d35af76da4b13af |
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