MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains a link farm pointing to numerous distinct hosts, many of which are compromised CMS uploads, suggesting an attempt to distribute malicious content or phish users. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings indicates a deliberate effort to obscure the true destination of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/5pan0liio4usr59s3es65uotjo/xilujejejodejuwixilanitab.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c66e708443---daruwuzoxududidib.pdf
- https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/1b7c44f1c8d0f4b805d42e2ff2f72418/kidova.pdf
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/32f93004b0cd916440727a45e61d9e45/totunexigofilot.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16082219d5c30e---sirukos.pdf
- https://akapacha.com/userfiles/file/lurivujukeji.pdf
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/0e27f08f42492ffeca8e4afc89ffcbc7/libirelinafurudef.pdf
- http://hk-dcc.com/wp-content/plugins/super-forms/uploads/php/files/8u64i2ald9m9peg6gf4p6r6di9/xavokinokaxufowatoxuse.pdf
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/40a138b909cdefd4ef8acd6616dd99b3/jadomapamutodarunozadowaf.pdf
- http://vom-ragnaroek.de/uploads/file/vidonuvazaxosamidotapa.pdf
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab71e0b6556---96623308737.pdf
- https://wavesmaroochydore.com/wp-content/plugins/super-forms/uploads/php/files/ujvgk9qgf9dbsn7e88hqujsjko/90500939526.pdf
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a22cf01f7f3---nuzunuxisitiv.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/lstm6202kv90ars3n7c1va27t4/55765029499.pdf
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/1d5c0528e18d8cba963c11721b9765ce/93814545920.pdf
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/0hga65a9se8j0j55su2g8eq4ar/45476082173.pdf
- http://rauvuonsach.com/images/uploads/files/fekuzolarukuw.pdf
- https://kuepancong.com/contents//files/48536535218.pdf
- http://gpszone.hu/upload/userfiles/file/tedekam.pdf
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/ksjdfgf5nh7pqc37s8eh58r1ea/jurixegunu.pdf
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/362vvr87h0r5mjvioaa2loselp/tubaninazakuvubebu.pdf
- http://donghocasiochinhhang.net/uploads/userfiles/file/wajudino.pdf
- http://bereanbaptistashton.com/clients/1/1c/1ca8668e480cca1e897b6add33210fc6/File/69542822707.pdf
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e60fd1cc76---98532561525.pdf
- http://x04ydivan.ru/userfiles/file/keravike.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+pronounce+spinach
- 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_off0000f886.bin1465f23e1a26e7ea75f29cc591d7683ac34788d1cadbc5e7375af4a5f2797396 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF886 | 10604 bytes |
font_01_sfnt_off000110c0.bin55e5eb0dc05502ff3f12cb6e6d08d516822482837701c34f79728753e9fee573 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110C0 | 18500 bytes |
font_02_sfnt_off000141d3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141D3 | 16792 bytes |
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