MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan delivery mechanism. The heuristics reveal it functions as a link farm, pointing to numerous compromised WordPress sites and disposable hosting, likely to obscure the ultimate destination. The embedded URLs suggest a broad redirection strategy rather than a single targeted attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://kvbm.org/pds/userfiles/files/bogemixipeponuvu.pdf In PDF document text
- http://svaz-podnikani.cz/files/file/pikogiperegox.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160741c4a953c3---4596151096.pdfIn PDF document text
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/3ed7f729dca1d8e194539b8ac25a8e6d/laribasigo.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc49eb8cf6---17840170919.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/2411c87cf00953da348d3debcaae342a/vulujomizonudem.pdfIn PDF document text
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608228c17d79a---68787794298.pdfIn PDF document text
- http://quaint-house.com/69823007472.pdfIn PDF document text
- https://drsaman.com/files/58504970184.pdfIn PDF document text
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/21c84900bfe69b71f224dcd88df6dd5c/merikisogogisilebopa.pdfIn PDF document text
- http://schmetterlingsgaerten.de/file/72330255994.pdfIn PDF document text
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/c79467a947afaa56315afa2aa1a4ea5d/fitinosepofawunujadapo.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/8233a8ad20bc88a8d3421d3ec4604cea/3730923759.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160763b9f1a789---kapudos.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085d72be41df---42053910415.pdfIn PDF document text
- http://ebsenglish.net/_UploadFile/Images/file/50651806037.pdfIn PDF document text
- https://boucherienabli.com/uploads/FCK_files/file/98172194845.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/3145623728.pdfIn PDF document text
- http://j-club.eu/userfiles/file/punodedumelufu.pdfIn PDF document text
- http://fotografiafrancescosomma.com/userfiles/files/tukoxudise.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/e3dc8c3dcb8189755ac442771f2354c4/vuzokibemidezefupugiwevi.pdfIn PDF document text
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/7d644d57c504099ca1e94f0c2b9c08ce/80721222563.pdfIn PDF document text
- http://nicenpos.com/userData/board/file/53535179231.pdfIn PDF document text
- http://erdivigado.hu/userkepek/file/zifovemusazamabemugobani.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=reverend+of+the+churchPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f29c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF29C | 17772 bytes |
SHA-256: 674b23968d79fa103ffcfe3afd8a08669438b4f4648bb92d7838fcf79351aa7b |
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font_01_sfnt_off00012127.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12127 | 10316 bytes |
SHA-256: 7147d0e11899d831e01081e51445458ba5792d403ee1dbb5f30b54da091e95a3 |
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font_02_sfnt_off00013861.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13861 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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