MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains a large number of external URIs and links pointing to compromised WordPress sites and other disposable hosting, suggesting it functions as a link farm to distribute malicious content or conduct phishing attacks. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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=nightmare+in+the+dark+neo+geo+rom
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/161416accbb39a---91836062599.pdf
- http://ranch.pl/files/file/jizekuwasemivaboxoxediju.pdf
- http://www.ez4parcel.net/upfile/files/2021/09/17/noralid.pdf
- http://matras-devison.ru/upload/file/tosanikikipabifowazo.pdf
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/b7d34a6b095e8f39bb71ddf6e0f84d11/61079860399.pdf
- https://zerling.eu/nico/images/files/fomukuwu.pdf
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/966b9e5f3ab08266025b44f3b09cd78c/68090637463.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/gprsle3968q3nl7geapurkgi65/90119565048.pdf
- https://atasuorganiktarim.com/upload/ckfinder/files/64589875592.pdf
- http://nhuaduongnhapkhauaz.info/upload/files/fadabuf.pdf
- https://gotoko.com/cmsv2/upload/files/77253015363.pdf
- http://njchemland.com/upload/files/51911043400.pdf
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/161376845ab042---19605203576.pdf
- https://biharlokmanch.org/userfiles/file/51587721455.pdf
- https://horgaszvelem.hu/ckfinder/userfiles/files/jajegaziforiboju.pdf
- https://cukimentescukraszda.hu/files/files/46166762986.pdf
- http://creationart.hu/files/file/finasutukunimofufikoxu.pdf
- http://uktohabbarijamalta.com/files/file/90104151554.pdf
- http://geomanteia.com/userfiles/files/lefekofetegaxijemexuv.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1613f90a469ada---50644589475.pdf
- https://warungmimpishio2.com/contents/files/pakarimulo.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0b68e1a9e---maxes.pdf
- https://atcotourismtravel.com/userfiles/file/80207331491.pdf
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132d36116647---nusalexaj.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_off0000c448.bin830105d4abed10057cb6cc2bb0b4af1e98543876f23094c6dceadf2d20784c0c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC448 | 17672 bytes |
font_01_sfnt_off0000f2ae.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2AE | 16792 bytes |
font_02_sfnt_off00010ac5.binf5c4dc6c74213825317880cd874417917067085f2c76f34a1e942a7f02170079 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AC5 | 10548 bytes |
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