MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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 https://wastran.ru/uplcv?utm_term=you+will+be+mine+book+pdf
- https://aonetreks.com/uploads/file/xajegaw.pdf
- https://purefeeling8.com/data/file/jefugovonasefunavapo.pdf
- http://on-video.com/movies/movie_data/file/43915900945.pdf
- http://ifaistos.reality.gr/~triantaf/images/file/xujomen.pdf
- http://sns-russia.ru/userfiles/file/guwijipowelupit.pdf
- http://nhuaduongnhapkhauaz.com/upload/files/7715708851.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089647c75036---lirew.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/16086fd8f5bff2---bizad.pdf
- https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/birofajoloreposowawivaj.pdf
- https://epos.nu/ckfinder/userfiles/files/31689888929.pdf
- http://boxethai38.com/upload/file/17413662552.pdf
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/c5222a2bdd31b38b787559c8eb779987/32209288597.pdf
- http://tantusmarina.com/UserFiles/file/geroxijesexaleliv.pdf
- http://sosnovgeo.ru/userfiles/file/99986729770.pdf
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/183ec5c04fd8e43be50aa25e61b52927/pifuvibajekipipikirikik.pdf
- http://campcolefamilyreunion.com/clients/82065/File/movinon.pdf
- http://bmsorganica.com/userfiles/file/vofudubaf.pdf
- http://poiskvod.ru/images/file/26096684725.pdf
- http://surtek.biz/image/files/20150121_132909.pdf
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/vashcvb961f4raf9t8cisetq25/suxadodibolarulefogiti.pdf
- https://hirurgija.me//files/47235428716.pdf
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/p3gjm4c82thspi0s0j7e1fsaad/sexoreroro.pdf
- http://ytbozhuo.com/upload/file/010322065625.pdf
- http://kasargod.net/uploads/file/48036849617.pdf
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a87e90eb345---17440807469.pdf
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be882da290c---21907180267.pdf
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e580.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE580 | 16792 bytes |
font_01_sfnt_off0000fd92.bine0daf128e3d48a5366606f401f58ee8d05adcdc58bef8d9fed824c2f30963279 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD92 | 17488 bytes |
font_02_sfnt_off00012b33.bin375d00b1b7a3aefd35e923615729ede0bd11ad4b84514da6eb845a82a7225731 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B33 | 10532 bytes |
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