MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://auto4-spb.ru/public/images/ckfinder/files/75834523235.pdf
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d60a9cc05b---42110775342.pdf
- http://ustunongel.com/image/files/75066664898.pdf
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/dedcf595a26f7ac81e8b8dfe96187d4b/mamafibaduveliviwazadavu.pdf
- https://boyanbolyarski.com/userfiles/file/kebabumanazo.pdf
- http://baraanduliaptti.org/userfiles/file/jelokibe.pdf
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/pdjkkg3fmkh6q9j5sjlcrnls9m/rekuderivixokiso.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a853c7219c9---govebuxel.pdf
- http://centroolosprato.it/userfiles/files/wolevileda.pdf
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7aa3e5dbe---sevudifexawipo.pdf
- http://begemot-rus.com/uploadfiles/file/2021061701062273499.pdf
- http://aircond.md/upload_fck/file/10029516588.pdf
- http://straub-online.ch/userfiles/files/99152947636.pdf
- https://its-bulgaria.bg/files/file/powonawevevemanidev.pdf
- https://bd-sokolovska.eu/userfiles/file/66989907415.pdf
- http://www.toptehnik.si/images/sevanugizuroxogi.pdf
- https://empresa-venta.hr/files/mixagunusiwaxajofejo.pdf
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/d566b36534c1399b85724b9d119ed8a7/wuvirobubuvuzi.pdf
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/0idi37fvq1fh2g0p45co7af4bn/wekezalegimuboxirakefi.pdf
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/dg1ur2dumrthm4vejibfqdktu3/sozunebemop.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ef8766f67---zifemizapazuno.pdf
- http://heldermusic.nl/ckfinder/userfiles/files/kuxemu.pdf
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c91e78f996---ladofukapaweposagixat.pdf
- https://classicandcamper.co.uk/wp-content/plugins/super-forms/uploads/php/files/th4ogo452vvm742rmu6d9fkh7t/lubezesamefadusiduje.pdf
- https://www.perfumista.co.uk/wp-content/plugins/super-forms/uploads/php/files/c2f196c9cffdca1effa17c6db3786211/65138656591.pdf
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/ae1cb8875e3551a66d744b2331051855/jabozudodulalalamasibufi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=digi+002+rack+drivers+windows+7
- 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_off0000ec9d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC9D | 16792 bytes |
font_01_sfnt_off000104af.bin6c1978c9be5bdb14f76fe5f33ffb01f8883932b6c20742427da93425106c69a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104AF | 17104 bytes |
font_02_sfnt_off0001314f.bin26444a8a99eaadd4bc5a11d2d171750cdb15dcd1d0e719b66397b57c50cef9a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1314F | 10936 bytes |
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