MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to other PDF files hosted on various domains, some of which appear to be compromised CMS uploads. This suggests a phishing or malware distribution scheme where the initial PDF serves as a lure to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://garantc.ru/userfiles/file/tajoviguz.pdf In PDF document text
- http://adimhukuk.com/resimler/files/18191374756.pdfIn PDF document text
- https://muacash.com/webroot/img/files/tevezuxaxomuk.pdfIn PDF document text
- http://tuzoltosagmihald.hu/userfiles/file/vakizuxozoramufev.pdfIn PDF document text
- http://elcolono.net/userfiles/files/kedavuj.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161341dbd79bd1---lirerifefimagukuralofozej.pdfIn PDF document text
- http://lso-msm.fr/userfiles/file/fupodu.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4fdc7ca9d45f72a3866fe3ee4ad57f7f/37630830514.pdfIn PDF document text
- https://migger.dk/userimages/file/soluwibixapebe.pdfIn PDF document text
- http://donkaew-furniture.com/ckfinder/userfiles/files/vomuzexenekor.pdfIn PDF document text
- http://citygclub.com/ckupload/files/zomesunujoxulanibuwela.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161327d9122aed---jowefepabomagomumaxofaxun.pdfIn PDF document text
- https://danielfelber.ch/userfiles/file/14882226551.pdfIn PDF document text
- http://momsystem.ru/public/file/60479629401.pdfIn PDF document text
- https://giorgiosantinelli.it/file/30612813612.pdfIn PDF document text
- http://tagsu.com/attachments/fckattachments/file/57295049767.pdfIn PDF document text
- http://geodez.com/pliki/file/noganodeloda.pdfIn PDF document text
- http://tolltisztitas.eu/userfiles/files/gosipenorufimobogak.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/161312ca91bf85---sedujamudip.pdfIn PDF document text
- http://godsownproperties.com/userfiles/file/nifota.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16132faeef15c5---lidutufevapejiroj.pdfIn PDF document text
- http://vxclouds.com/userfiles/file/daperelanelopowobevu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=bully+download+apk+obbPDF 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_off0000da50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA50 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f262.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF262 | 17596 bytes |
SHA-256: 904f5d462f794c273ce521f899513cac580641dfe31f69da85ca1dfefa9ce93a |
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font_02_sfnt_off0001202f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1202F | 10380 bytes |
SHA-256: eba52edf359272ca941f600077f3f7cb90e1a70e62efe06c4b6db9cd1ddd0b0d |
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