MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to compromised WordPress sites. These links likely serve as lures for phishing attacks or to distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/lpqpalvp3mr1l8lp7vliiqp957/butofopo.pdf
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/23696ff61a8d071523cb32dd0045a2cb/fuwepitojetum.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bdd1aa4670b---pufaviposusaker.pdf
- http://fitviewer.biz/files/file/90211332708.pdf
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5d7daa23db---dabijopujesupilovigomev.pdf
- https://akproauto.com/nbloom/fckuploads/file/rodozoro.pdf
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089e05d9129f---notiz.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/n3kj2oli6tniuh6d91l5oavt36/79602703817.pdf
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/f2fc803b37505317980836ee2b042194/87339361671.pdf
- http://toshiteriyakiburien.com/uploads/files/40057702368.pdf
- http://backkwang.com/userData/board/file/58241859507.pdf
- http://hevolta.com/upload/file/89277741979.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608443e83cd6b---xevoji.pdf
- https://dcoderesearch.com/uploads/lezinibogadutiz.pdf
- https://aquafilling.com/userfiles/file/88669509200.pdf
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/v8uqjti7vqerku1uo09i8jdep7/52617295548.pdf
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/lh4m3efgk25bt8g785imlkq1tt/77637705045.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608fcdf32d0ec---26047465614.pdf
- https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/16088ea780b5dd---51668885251.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/er5r3gebvjmbc2t8o34milqhnj/wojigobewulejufe.pdf
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/8ec41bd3858fe9c38f474a515fb6b30e/95311837980.pdf
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e452558b12---tuxira.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/a9cb2af849d8383d0fb652db4b509f3c/podotunajujazoxupexot.pdf
- http://www.kymkarajok.net/tiedostot/files/66609357247.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=wrong+in+swahili
- 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_off0000dcab.bin0a091a8f989dbd3be775452f4c79e42d6ee3d492485470cd1db06369ace2fd17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCAB | 10236 bytes |
font_01_sfnt_off0000f390.binfbb2b76b758851ee8590026f0f3dfb76150dfcecb79f109381ae7123f2cb088c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF390 | 17360 bytes |
font_02_sfnt_off000120d5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120D5 | 16792 bytes |
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