MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress upload storage locations. The PDF's structure and embedded URLs suggest it's part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1612f518c9ab9e---kebasozadam.pdf In PDF document text
- https://conrays.ru/f/data/lijedukopepijirojip.pdfIn PDF document text
- http://tv-kitchen.ru/files/files/96369916125.pdfIn PDF document text
- http://huthamcauquanggiap.com/upload/files/mijoxuzovojitura.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210911203138010.pdfIn PDF document text
- https://matao.ro/app/webroot/files/userfiles/files/ripusifimoretutijasamob.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e9673d5686---pukiwimukegedejolas.pdfIn PDF document text
- http://bettynblue.com/upload/fck_img/20210917/file/43135750117.pdfIn PDF document text
- http://aias.pnu.ac.th/ckfinder/userfiles/files/94352833760.pdfIn PDF document text
- http://jpsacademy.com/slbdavbatala/userfiles/file/66783005484.pdfIn PDF document text
- http://salt17.com/userfiles/files/daridinuvufobozozakowagot.pdfIn PDF document text
- https://oazapiekna.com/zdjecia/fck/file/58189280565.pdfIn PDF document text
- http://smcertificationservices.com/userfiles/files/21414979526.pdfIn PDF document text
- https://eltdb.com/UserFiles/files/50322881072.pdfIn PDF document text
- https://ecoolteh.eu/galeria/file/vaxemodunimipulelaxogegug.pdfIn PDF document text
- https://jahanchart.ir/data/files/file/96631642134.pdfIn PDF document text
- https://skywaynepal.com/userfiles/file/siremeg.pdfIn PDF document text
- https://ckmusicdesign.nl/userfiles/file/funikidox.pdfIn PDF document text
- https://ego-sofa.tw/uploads/files/202109110158251751.pdfIn PDF document text
- http://itineraire-consulting.com/ckfinder/userfiles/files/joloxajuxiw.pdfIn PDF document text
- http://scandirent-new.ru/uploads/assets/file/17769378748.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16144f731b9e67---kazabevazutajedopid.pdfIn PDF document text
- http://defhjdr.friend-match.com/upload/files/46033011746.pdfIn PDF document text
- https://noithathoaphat11.com/upload/files/piloxolo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=download+a+quiet+place+2PDF 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_off0000b2b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2B3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000caca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCACA | 10692 bytes |
SHA-256: ea4f19a569be4a11bab338df1266c9014b18f92057885f2ef9a8c5589fa79bd8 |
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font_02_sfnt_off0000e344.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE344 | 16516 bytes |
SHA-256: ec6eb77ac9797ca1cda77268d562551d2d3b0ae044ec636de4408a28db55f4ed |
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