MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to compromised WordPress sites, likely intended to distribute further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, with the PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggesting a tactic to obscure the true distribution network. No scripts were extracted, but the presence of numerous URLs on compromised domains points to a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9700
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://shreejians.com/userfiles/file/zupoxebes.pdf
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/9c05b0158a72dbf8b23c4c8b74ff6663/newunoxuronofukunag.pdf
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/5340b5f7ef0485849260a3c21702eea9/76090363253.pdf
- http://reklama-kemerovo.ru/files/files/monetojebubobalavegepe.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a3229be482e---19065671783.pdf
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/b09198d5e270d7eb89bc63bd1f4cf44b/81699696194.pdf
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2c076e405---pewulibematupomosemisavu.pdf
- https://destockbaby.com/ckfinder/userfiles/files/fuvesedux.pdf
- http://alnoorcity.com/userfiles/file/robogotusejajatim.pdf
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff764cf887---mubudateguludifemu.pdf
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/2dc14421da2631908a64e37aad26d4c8/43788104193.pdf
- http://aeronautike.com/userfiles/file/sinolibela.pdf
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/74d593d822f2b4310005e2539ba7e16a/76584230293.pdf
- http://kochamsushi.pl/UserFiles/file/57041779596.pdf
- https://traiteur-troyes-mariage-buffet-aube-10.blaisot-traiteur.fr/ckfinder/userfiles/files/43648133493.pdf
- https://muzeumkonstancina.pl/attachments/file/65686306880.pdf
- http://meadescafe.com/userfiles/file/tibinewebivudafoxowim.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c41cbd3e80b---tesavu.pdf
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/4c17d6a2c757b597f4d7fad9e9cd8f4a/vejevemuvixoru.pdf
- http://someteme.com/archivos/_20210722203119.pdf
- http://tea-ra.com/user_data/upload/save_image/files/12247853110.pdf
- http://ourpreferred.com/userfiles/files/58323428022.pdf
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a87f3a6e2c2---28573321821.pdf
- https://drosamahetta.com/userfiles/file/purolifomofesufupubifunu.pdf
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/64e706328a729681b95ed1e9cf0ec8a9/31195408013.pdf
- http://ciccioinpentola.com/userfiles/files/sopabemoxagolas.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=pengabdi+setan+2017+english+subtitle+download
- 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_off00010776.bin2602cdb7e6c614547b8a9562f9097033b3cbe8eb12d2642a2ecfc26b7c979e2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10776 | 18192 bytes |
font_01_sfnt_off000136f0.bin3937477589c04b37398a3611263745585fed8ece75209067e1e7b64c8ad80c33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136F0 | 11096 bytes |
font_02_sfnt_off000150c7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x150C7 | 16792 bytes |
font_03_sfnt_off000168d4.bin2dfffcb0b04210da5427bc66fec8cad7bfa5b38aefe0dfc6da68ae9529e49aca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x168D4 | 4716 bytes |
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