MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as a malicious PDF by ML classifiers and ClamAV. Heuristics indicate it functions as a link farm, directing users to compromised websites and potentially disposable hosting. The 'SE_CLICKFIX' heuristic suggests the document is designed to trick users into executing commands, likely to download and execute a second-stage payload. No scripts were extracted, but the overall behavior points to a phishing or social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9967
Heuristics 7
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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=how+to+connect+your+ps3+controller+to+your+android+phone PDF link annotation
- http://mxagproducts.com/upload/browse/file/16385637507.pdfIn PDF document text
- http://itagqatar.zajeltel.com/itag/file/files/57197873951.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/c7nvdjmmnsq599mu5jnvdjaskf/ziluvabexesivijawosefi.pdfIn PDF document text
- http://phantasos.org/userfiles/file/33510519430.pdfIn PDF document text
- http://skolky.info/foto/images/file/72624977756.pdfIn PDF document text
- http://huijingweb.com/upload_fck/file/2021-9-9/20210909213327558842.pdfIn PDF document text
- https://rosebankprimary.co.za/inc/ckfinder/userfiles/files/98251148024.pdfIn PDF document text
- http://woodlander.sk/grafika/file/kutin.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161397d9e37aa3---74540884163.pdfIn PDF document text
- http://piotrkowska77.pl/zdjeciafile/gimexun.pdfIn PDF document text
- http://emilygrilltogo.com/uploads/files/55089506978.pdfIn PDF document text
- https://hanoihome.net/img_duhoc/files/lakopuwuge.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/16131b9872a0c0---muzezejijepifovotuvin.pdfIn PDF document text
- http://abwjefferson.com/uploads/files/sirofakowetedos.pdfIn PDF document text
- http://alcantara.cz/data/file/bapexoratiresagisaxusu.pdfIn PDF document text
- http://suamayin.biz/userfiles/file/jowositesosugu.pdfIn PDF document text
- http://hemeringen.de/ckeditor_ablage/userfiles/files/bedusikudiviv.pdfIn PDF document text
- http://yousefmaktabi.com/ckfinder/userfiles/files/91707735379.pdfIn PDF document text
- http://nsmpublicschool.org/slbdavbatala/userfiles/file/javitebogusure.pdfIn PDF document text
- https://cingenito.ca/upload/editor/file/sajidepavodogewomafu.pdfIn PDF document text
- http://toyotaquangninh.org/data/dulieu/files/58713096223.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://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_off0000d69c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD69C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eeb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEB3 | 11076 bytes |
SHA-256: 3e4321e618718a53e2b91cbd2ad788d5311122174fcaee665d317aced783a100 |
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font_02_sfnt_off0001087c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1087C | 17836 bytes |
SHA-256: a41909d9b027549ce72fd1f0383c5473123b61157964e2fc907a1f0b8bab7d36 |
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