MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs that point to compromised websites and disposable hosting, forming a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The presence of multiple distinct hosts and UTM parameters suggests a coordinated effort to drive traffic to potentially malicious content.
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://huntic.ru/uplcv?utm_term=federalist+papers+in+modern+english+pdf
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f008f0e91f---86354871746.pdf
- http://nitexprofi.cz/userfiles/file/31123740025.pdf
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/7b994c93aeef3d10be4db89cc638c2e8/81169469279.pdf
- https://muratay.nl/userfiles/file/gasevidonalit.pdf
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/5c58265696b913036d36cbdc3a197ba6/56733014785.pdf
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e2e7e0d221---68964586367.pdf
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc43e15cc1---fojosub.pdf
- http://gabortech.com/admin/file/73970711796.pdf
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b3acb99deeb---mejet.pdf
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/abca339e317bc0c17441eee161d6154d/nebisifojuta.pdf
- http://4grd.com/cmsimages/file/dapukurodatopaw.pdf
- http://sirmamedia.com/ckfinder/userfiles/files/40862366287.pdf
- https://catwalkdogcome.com/editor_upload_image/file/2682876642.pdf
- http://93564497.com/userfiles/zidarusixunisajifuxanefeb.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f635bbf136---fitusagin.pdf
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160917efb00bb0---nuvev.pdf
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/524083fcf3279405838d00245b0be575/5288745018.pdf
- https://abofahed.com/userfiles/file/39046894360.pdf
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/ccd136536fbd95fc6d543a8d91c9bb07/kafanisujafutibef.pdf
- http://booklandbooks.com/userfiles/file/vikepa.pdf
- http://hodinovysoused.cz/upload/file/96695497326.pdf
- https://binarbaidrealestate.com/public_html/userfiles/file/torera.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_off000111f4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111F4 | 16792 bytes |
font_01_sfnt_off00012a06.bin4ab2d1626bb0e2f3cb81518779c54f1dc180509b4cc595651b7f6e2b4ee5c316 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A06 | 16720 bytes |
font_02_sfnt_off0001552a.bin1a26a96c8f00bf26069b9f5fe5d7588ceae92b4ed5d0718dc37ff87899e97710 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1552A | 10924 bytes |
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