MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to what appear to be compromised WordPress sites, specifically within form upload directories. Heuristics indicate this is a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b394bebabf---lenuvatavidoributovifol.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/e7a28d9161f7d7941d26e188906ffae1/kudujileviwe.pdf
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/7e009874d4b8f3320fbb6fec7bc7d1e8/xavowofanuwovezo.pdf
- http://akinmedikal.com/uploads/file/sisekilaxogasezagutop.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072ffb1871e1---besojugutawipelekogixa.pdf
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b75aaa8c142---lawimogosesizakulo.pdf
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/940eac0bc18b77b1100b1ab98aaa43b6/61092234951.pdf
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc22c355fd1---jotoxumolabixoraki.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/2b293e314812aa448bd2cd3b9c4d302a/kebipataxovutejafe.pdf
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b859e915a67---dibenifexumumozokaruk.pdf
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160975b4711de8---jixovuv.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a3a6debbb4---fulujikuromokonax.pdf
- https://auto-rujo.com/images-editor/file/zejejurejedez.pdf
- http://mousike.it/img_ins/files/84657506321.pdf
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8d72f6919d075c46f325eea95a91555a/85955419570.pdf
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dc3c5ae367---xedujodotijutarimaf.pdf
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/pvpitvudltumkra72lc6jbki5j/fajabefaj.pdf
- http://bjhtdszdh.com/v15/Upload/file/20215161529348004.pdf
- https://hagepoorter.be/files/files/76377581716.pdf
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/9188b4d959c0db5681ec2511d3d7730d/dupowerokupuziput.pdf
- http://app8itebarandgrill.com/admin/images/file/82656467056.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=meaning+of+canker
- 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_off0000f2fe.bin6da1478b18d493b948f9a9df78db1dbca2b8225e3bd4c8680f74b1356d7f768a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2FE | 18600 bytes |
font_01_sfnt_off0001238b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1238B | 16792 bytes |
font_02_sfnt_off00013ba2.bin58df5abff9eaef90367deb94eb1112513d1efd141bdd5246ba5215b2c99d3ec8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BA2 | 10284 bytes |
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