MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous external URIs and link farms pointing to compromised WordPress sites, indicating a likely phishing or SEO manipulation attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://ailani.org/wp-content/plugins/super-forms/uploads/php/files/4144fb8f662099a4d71c8858bb7c2a27/lufakolanogejimukamosugi.pdf
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/d77cb55b8a18a6e41b8869b061dc9b4f/25159116978.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b8a3d270a8---95312013691.pdf
- http://angelojrobles.com/admin_initial_test/userfiles/file/pukela.pdf
- http://skyline1968.com/clients/74864/File/zikupov.pdf
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/950a43b78c718dff15e028a842fc27c0/98111093004.pdf
- https://24emk.ru/ckfinder/userfiles/files/nesalizajejivafuvi.pdf
- http://sungwoneng.com/upfile_editor/2021/files/komimomekitavuruwisu.pdf
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/1164ef77c4972c17742dc0215208aab9/gofawusexunozolatikuru.pdf
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/ff751e5f6b25f088b0e69a53657b3467/roliwivupuxivulasojub.pdf
- https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/8b74d1bd06006d16a7f943cc1eacb277/66077850801.pdf
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/a51de0723718f79dc352242743bdda07/diduvisupumataz.pdf
- http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160804f659d106---72912243893.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608decbb6bc85---buxad.pdf
- https://louvre.lv/res/wysiwyg/file/18965218401.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075a9d919868---favuzawinanelawesaxewu.pdf
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/52f1d7d23ed7d03a4c98a83ab3c735ca/91341865439.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bd9079eb788---sukagebasenitik.pdf
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160c899e35c77f---27184497671.pdf
- http://deborahkay.com/ckfinder/userfiles/files/40484395321.pdf
- https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/38vptnea3aqmnmneqf6fogsh0p/1633793837.pdf
- http://wallacewilliamsfamilyreunion.net/clients/6/66/662ca4338cd1fa41fa93b88222973dc6/File/pobipomuxa.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=low+level+systems+programming
- 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_off0000efea.bine3fd06fd3de92ff6118d0c0a0dbb4d48c8a0d1276f3e3b10c0d7f4b63bd3f462 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFEA | 17196 bytes |
font_01_sfnt_off00011cec.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CEC | 16792 bytes |
font_02_sfnt_off00013503.bine1f6cd33318ff0293def69002bf78c131c9e120c1184cc2682bc4688a8639f60 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13503 | 10820 bytes |
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