MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external resources, many of which point to compromised WordPress sites hosting other PDF files. This behavior is indicative of a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/u0q554nr4uhsui6d9iborb1280/toperanegademimedud.pdf
- http://assistance.uz/images/shared/file/suvel.pdf
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb80ddfa3a---sisoxadubomi.pdf
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/e9ed71fefce278cec2b9ec816c0e6d66/92356025735.pdf
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/kjmo6ie17crjqd4rs6j2jkjf11/63739877730.pdf
- http://immobilieninvestors.eu/userfiles/file/xesajamonagojorisodo.pdf
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16079435185979---66888893205.pdf
- http://tetraeng.it/userfiles/files/35253925466.pdf
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fdd15751a85---26019936215.pdf
- http://pogotowienaukowe.com/Upload/file/98663778299.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/ktnjv5b0rsus2vavv6erl3gnrf/18962729759.pdf
- http://bichvan.vn/upload/files/27518939353.pdf
- http://diamantina-joaillerie.com/ckfinder/userfiles/files/vofotinujudazaxojadila.pdf
- http://poorclarescork.ie/images/55732955673.pdf
- http://gldbirdgel.com/user_img/files/85014283959.pdf
- https://brahmagnanam.org/fck_uploads/file/79664060922.pdf
- http://uforoi.com/app/webroot/uploads/files/jefedamofidajezi.pdf
- https://inverpalmas.site/aym_image/files/93711468978.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16096c774b5095---laget.pdf
- http://akademibt.com/resimler/files/65530336034.pdf
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/818b830f0fe201d405118d59f98763cf/ratal.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+remove+a+grohe+faucet
- 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_off0000d3dd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3DD | 16792 bytes |
font_01_sfnt_off0000ebef.bin9c4e1d294399a1bfb6ba3c981977628cd7886abbc3a31f38c57b346134b491ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBEF | 16496 bytes |
font_02_sfnt_off000116cc.bin87d910cf9e5c0fc8c6fe725701b3fd4e84f95c7b6bf1f6ff7f475a75c5d49de0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116CC | 10616 bytes |
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