MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to various domains, suggesting it functions as a link farm or redirection service. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights the nature of these links, indicating a tactic to distribute malicious content or phish users. No scripts were extracted, but the overall structure and URL distribution point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 5
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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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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 https://archism.ru/uplcv?utm_term=picsart+pro+download PDF link annotation
- https://aayams.com/userfiles/file/kosenilo.pdfIn PDF document text
- https://un7un9b3rl1pa7-99.com/contents/files/64672990847.pdfIn PDF document text
- https://blsautomation.com/ckfinder/userfiles/files/75360471058.pdfIn PDF document text
- http://affordableadobe.com/ckfinder/userfiles/files/18853584793.pdfIn PDF document text
- https://srldirect.com/ckfinder/userfiles/files/kinujudusutivesig.pdfIn PDF document text
- http://restauraceeverest.cz/userfiles/file/73778410086.pdfIn PDF document text
- http://mercuresamuichaweng.com/admin/file/sekasikaxu.pdfIn PDF document text
- https://hinaweb.com/upload/file/72602934745.pdfIn PDF document text
- http://train-in-japan.com/images/blog/file/vezuzimakekus.pdfIn PDF document text
- http://preiss.at/upload_files/files/87679937618.pdfIn PDF document text
- https://bikeid.net/ckfinder/userfiles/files/xejutodin.pdfIn PDF document text
- https://sport-jicin.cz/dokumenty/jejemuguzamet.pdfIn PDF document text
- http://greenflameenergy.com/userfiles/file/noruz.pdfIn PDF document text
- http://avvocatoandreabruschi.it/userfiles/files/gudojimijasalof.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161486a21b05d5---komefadezujebab.pdfIn PDF document text
- http://beastyenergy.com/userfiles/file/lafibivenanivaza.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/f101lmm6mreijb3il2pss07n76/11210222412.pdfIn PDF document text
- http://safaraval.com/basefile/safaravalcom/files/tositepigosijupimamosoj.pdfIn PDF document text
- http://bsp-plovdiv.org/ckfinder/userfiles/files/60931093489.pdfIn PDF document text
- http://thietbiotovn.com/Images_upload/files/lexinovigawilobafelepu.pdfIn PDF document text
- http://steffis-strassladen.de/userfiles/file/navubovetojiniwu.pdfIn PDF document text
- https://greenfins-thailand.org/uploads/file/nepekarajedisumerozagogu.pdfIn PDF document text
- http://artikos.pl/userfiles/file/95256963958.pdfIn PDF document text
- 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_off0000b41f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB41F | 10460 bytes |
SHA-256: 2ceea16bf927234b07032f8f37e38ca49ff8d028c2dac214f1e23870aa7ce36b |
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font_01_sfnt_off0000cc03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC03 | 17416 bytes |
SHA-256: 9d1714a8001c0f3070906c62ec80e4e19ec67a40b65139d3bdeddf2160bf0b7f |
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font_02_sfnt_off0000f838.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF838 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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