MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to numerous unknown PDF files hosted on compromised CMS uploads and disposable domains, suggesting a phishing or SEO poisoning campaign. The document body is heavily obfuscated and unreadable, preventing further analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9923
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 http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608aa629ca71d---86942091340.pdf
- http://akinmedical.com/uploads/file/zaveborovelifenisu.pdf
- http://czdashan.cn/uploadfile/file/2021042903143773499.pdf
- http://spreewaldatelier.de/img/editor/file/savoridulimakubavula.pdf
- http://akicgiyim.com/userfiles/file/92447588149.pdf
- http://josephlillianmorrisfamily.com/clients/59960/File/64922660251.pdf
- http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/4qc3g63qfojbn222tvmrsvd5k5/22039138410.pdf
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d219c726482---xukeludefojijamefuf.pdf
- http://alpha-cp.com/userfiles/file/46926772337.pdf
- http://sunrui-ti.com/d/files/79960972400.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/1kpn9puk0mcgq4i8jv2rt4iak6/jijezeloduguna.pdf
- http://kibbkw.com/uploads/file/fezokunoxuzazaxidud.pdf
- http://richwoods1969.com/clients/861079/File/59123597651.pdf
- https://mtmhomeschool.com/mycms/uploadedimages/editorUploadedImages/file/gowuninitumotibivebufeni.pdf
- http://mdsalon.ru/img/lib/file/xurewarepexuwup.pdf
- http://anupbolivia.com/images/files/vogowokeniw.pdf
- https://propactionvehiclesuk.tv/userfiles/files/13951471469.pdf
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/6f094bb4e2b40f9ee5c438ea0e1c07cf/76625061870.pdf
- http://vhktn.at/images/content/files/80719224103.pdf
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083d2baa5ec2---tuwuvu.pdf
- http://busangh.com/attfile/fckimg/file///2021061312649_733109103.pdf
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093fd15d015e---10426099641.pdf
- https://annjulieskarpmo.com/userfiles/file/pogoniwesomapazigip.pdf
- http://erdivigado.hu/userkepek/file/zovibeguvolukulepefebute.pdf
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5670a54c99---38171875581.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=shadow+and+bone+collector%27s+edition+us
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f26d.bin92ea941ae5cb8dc638ba22fb79b5a26b1b5cc5429d5467def3a9ae72c8274b9c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF26D | 20248 bytes |
font_01_sfnt_off00012718.bin398f10ca950b78cc691df7b9cd6151d95a74d90c8ead2c2fbe281f0a6309a3c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12718 | 10900 bytes |
font_02_sfnt_off0001405c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1405C | 16792 bytes |
font_03_sfnt_off0001586d.bin9d5144547e0b729630886a3ad3ce48e7da84b0115899dd9c2390406af6f0fecd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1586D | 16092 bytes |
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