MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised websites and link farms, suggesting a phishing or malware distribution scheme. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports this, indicating the PDF is used to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://chcial.ru/uplcv?utm_term=anarkali+malayalam+full+movie
- https://bevasilicones.in/userfiles/file/26719036491.pdf
- http://millecolori.it/images/file/37848411397.pdf
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/219cf29951a53e4244f565dbf32e1938/27845121206.pdf
- https://botroul.be/uploads/lizezozagadif.pdf
- http://chrisdepanneservices.com/Sites/cds/files/tufura.pdf
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16145c9eab0218---zikozotofuxixavumuvubej.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef0d0c6463---51355087541.pdf
- http://www.gobarging.com/uploads/textareas/file/pulonosibudivujutaja.pdf
- http://amadpich.com/userfiles/file/ranunigor.pdf
- http://medi-sen.com/files/files/temepami.pdf
- https://actionsporting.com/userfiles/files/vekibavinebenalororuwiliv.pdf
- https://inprovitcaribe.com/ckfinder/userfiles/files/69622841106.pdf
- http://jimsclub.net/new/board/img_tinfo/file/20210910030936.pdf
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/db434bee637cd24b53fc82301409db18/kojol.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147443705195---9806618977.pdf
- https://kenadong.com/contents/files/gevotuvax.pdf
- http://annamsaigonlaw.com/upload/files/94870064855.pdf
- http://bidmitt.com/img/files/file/nuzekureziwipigez.pdf
- http://orzo.cz/uploaded/files/26586817848.pdf
- http://maekalocal.com/Maeka/UserFiles/File/82301062910.pdf
- http://dar-tom.pl/userfiles/file/98826664782.pdf
- http://gespk.com/userfiles/file/rigawir.pdf
- http://psychologkmalinowska.pl/ckfinder/userfiles/files/fozujowijezerufe.pdf
- https://hantverksakuten.se/ckfinder/userfiles/files/95632795884.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c3e1.bin9b0cafe1212e6043558c3581ba66de03bc54b1900de48a54e09aaf67de8d4b6b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3E1 | 16200 bytes |
font_01_sfnt_off0000eda8.bind228eace8e2bb2ea0ebcd3b0688a9de148b3217ea4707a40dfcd192be0a27563 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA8 | 10464 bytes |
font_02_sfnt_off0001056d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1056D | 16792 bytes |
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