MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://archism.ru/uplcv?utm_term=red+ribbon+army+androids PDF link annotation
- http://feldbach-tourismus.at/files/pexutavedebopiserefata.pdfIn PDF document text
- https://lingchuanfloor.com/app/webroot/userfiles/files/13923556625.pdfIn PDF document text
- http://mecateengenharia.com.br/ckfinder/userfiles/files/97406158795.pdfIn PDF document text
- http://riph.pl/userfiles/file/84313328507.pdfIn PDF document text
- https://magicdiscoradio.hu/userfiles/file/notijukoduvosusazipuwuduv.pdfIn PDF document text
- http://thietbikhachsanvinhhung1.com/upload/files/jixemezawedaduponavepi.pdfIn PDF document text
- http://keralatravelpath.com/uploads/file/74973939388.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/3f500bc7a684181882e7ca0c4243d52e/tineriziza.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16141d1ccdc810---16873548499.pdfIn PDF document text
- http://abwingscolley.com/uploads/files/68573063406.pdfIn PDF document text
- https://ipssecurityconsultants.com/ckfinder/userfiles/files/24368016082.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408f1bb0aa4---12142524210.pdfIn PDF document text
- https://nitdgp.ac.in/uploads/userfiles/files/miwegosalex.pdfIn PDF document text
- http://nprofit.hk/userfiles/8878907496.pdfIn PDF document text
- https://olterus.com/contents/files/lubukibuwiwizojowedo.pdfIn PDF document text
- http://brmxn.com/userfiles/file/20210918045948_9jk9gs.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/5qpqaak2r3qpgnl81jobvd49p3/71607649384.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/bbc9b44d02c7b35cb5ae668b5f2540a5/riwuworalovenavotedumuk.pdfIn PDF document text
- https://sananselmo.com/wysiwygfiles/file/31175314846.pdfIn PDF document text
- http://portalinmobiliario24.com/uploades/fckeditorfile/74965100271.pdfIn PDF document text
- http://ecoevopublisher.com/files/upfiles/file/jurawudufazivazox.pdfIn PDF document text
- http://radis-rrl.ru/userfiles/image/62659369612.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_off00011979.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11979 | 19480 bytes |
SHA-256: e538cf25a103f8da78e6d64834f6dc6302ea1b0a9cb83f1659e2e7f2e0470400 |
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font_01_sfnt_off00014c36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C36 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001644d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1644D | 10564 bytes |
SHA-256: ad698f3ad8f361ffd934697b782e984c4d3b43ab9abd3b70b99c6336efc0d2b2 |
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