MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The heuristics indicate the document functions as a link farm, pointing to numerous external URLs hosted on compromised WordPress sites, likely to distribute phishing content or further malware. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9781
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://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/584p3pe024tl3b7qthmqd8fpi9/xutubu.pdf
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1606f189e30cfa---kuxijeku.pdf
- http://ahchala.com/img/file/87905146288.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160a997b411df3---ruxodepepajadavafidawuxip.pdf
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/44f512181bda92b9a060f6d49c2241ef/gixitomuteguxufu.pdf
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/c848756cf5b882cc94a6cc369de646b2/65524681625.pdf
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609989ffd397a---tuxefujalesonuxav.pdf
- http://quickvideo.nl/userfiles/file/xumel.pdf
- http://hi-techfiber.com/userfiles/file/pizokibumeviwokori.pdf
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609831c88e299---28043747893.pdf
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/93a662fc55ddf46453c7e9ec945d34e8/valoxukejoj.pdf
- https://pmcp-avac.com/files/upload-ckfinder/files/lopazudifekiwo.pdf
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/a5bc393fc9c96d1258b8fe061018abdc/xunowoz.pdf
- http://jhdjt.com/images/upload/File/vefol.pdf
- https://invest.pl/userfiles/file/miwijoxodipebetinava.pdf
- https://alamansyria.com/userfiles/file/16604316743.pdf
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608da48880569---kerowodabedov.pdf
- http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/64030378827.pdf
- https://bodegoncriollo.com/userfiles/file/76430703740.pdf
- http://qa-whg.net/upload/files/21122859990.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b87a521c3fe---kafurevixiwur.pdf
- http://dataction.org/demo/dataction/media/40796475257.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/31eefef5fde1279b8d5bde6de345128c/67637436968.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=how+old+is+amy+rose+the+hedgehog
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001b78c.bin5d6d18d198667cc7c83d6b69ac9f9789faf10d99d1323278c4433edbe4520b07 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B78C | 10780 bytes |
font_01_sfnt_off0001d029.binc26d5d7a8ff234528baaec612687142915bbad13b3c8de653174a1b5a6af7a61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D029 | 17644 bytes |
font_02_sfnt_off0001fe26.bin5481e83a8b4b1e82b93ede8e68b0f0dd3d7056ed4aebe3e081e496842abc4272 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1FE26 | 21140 bytes |
font_03_sfnt_off00023e76.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x23E76 | 16792 bytes |
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