MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics as malicious, including ClamAV detection and an ML classifier. It contains numerous links pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The presence of external URIs and link farms on disposable hosting further supports this assessment. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://crewmak.ru/uplcv?utm_term=da+2823+fillable+word+document
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/4270d42f59b292ec747004e463cd4394/dajad.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7b45d207ba---xuwovafozevamederage.pdf
- http://kamerton.nl/clientfiles/benelulev.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160aaa7ea98ba6---fovibapugusuzojofe.pdf
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a55ad995a---mabeturibemofurujupev.pdf
- http://clubesquilacoma.com/uploads/files/30507308474.pdf
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/aea98c51849f9fb29d9353ec8faaf479/48816231696.pdf
- http://skrabl.pl/www/rpbd/fck/file/1220562616.pdf
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608320d2c9682---32883024450.pdf
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bc23b9a7184---98510601806.pdf
- https://universal4shipping.net/userfiles/file/jatusepetatedaxu.pdf
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16072490dca4ff---vadibadilikamebusonera.pdf
- https://angelsstaff.com/uploads/file/bezigeruxefuzabuxoberodep.pdf
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/chinh4vmpv6ihcsa4jnbfjru22/ladizokejodejonarepudewe.pdf
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/6fp43qkltqdms3lmesb1o327uv/dilevijofazo.pdf
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf5ec4467f---xivuvuwimemowevid.pdf
- http://altelaw.com/uploads/image/file/24857065531.pdf
- https://bhiringisamsankalimandir.org/ckfinder/userfiles/files/xidine.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088fd929f4a5---73497437416.pdf
- http://zavalinka.by/var/upload/file/zipaxakaxunofunopebalogu.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1678b53851---xugobelovamabepid.pdf
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/ad4ff7035f7ef4699fa900c8dc6e9625/lobifofulalokix.pdf
- https://esprimagroup.com/userfiles/file/13115957127.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_off0000ec78.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC78 | 16792 bytes |
font_01_sfnt_off0001048f.bin6870ac6672a436ab4ffafbf21a5a3290792026fdcb6fdea8898ecd043e427448 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1048F | 11296 bytes |
font_02_sfnt_off00011f35.binf60483c8bf8a49f59f9d290fa8b60ddccc05cc3360d939b90fc0ce43d990f2d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F35 | 16472 bytes |
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