MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains a link farm pointing to multiple compromised websites, likely intended to trick users into downloading further malware. The presence of numerous distinct hosts and links suggests a broad phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://prosperitas.be/data/assets/file/53461214264.pdf
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f669ca490a---83454157067.pdf
- http://archgeo-leszno.pl/uploads/userfiles/files/3313250862.pdf
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076f3fca27cb---81142130758.pdf
- http://clubesquilacoma.com/uploads/files/sizukukivakavoraxoxex.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a11629b5934---77319739655.pdf
- http://humanlitech.com/files/files/10221435738.pdf
- http://mega.kz/media/upload/files/zokusepufirijosofalugut.pdf
- https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/5a7ca4f935f406a21dcd4e1ce178aa89/80589564030.pdf
- https://villanakarin.com/userfiles/files/vumijarigixuz.pdf
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/siddr90mfprv2n27fkenl4rd22/90326882756.pdf
- https://aquamedicasatumare.ro/ckfinder/userfiles/files/poxilidivobibowom.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160854030924bf---tufomutil.pdf
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/tkkac8d82qkvve6dlen0euu15d/69957135369.pdf
- http://moyamoya.center/images/hand_uploaded/files/sowixefokokisevunorobon.pdf
- https://wcfkenzi.com/ckfinder/userfiles/files/dojosomozivisafenizuka.pdf
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160adc76743ef5---mizavodiwiv.pdf
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/c04595dc3e5ec6c1e7ea3f97e120a7b5/31525618065.pdf
- https://khangle.vn/uploads/images/files/ribed.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cda7c84fa83---27734647928.pdf
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/016636nnpl070lmgt8cikejeah/42669823204.pdf
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/160e8ddcc00f27---sitozadiwawutijoruwo.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160c01e901078a---29508033889.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=download+psiphon+pro+handler
- 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_off0000e4cb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4CB | 16792 bytes |
font_01_sfnt_off0000fcdd.bin0863aafcf620f1695ae52fb6bbe141432e6de4bb862c67c3b82180a048456165 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCDD | 19092 bytes |
font_02_sfnt_off00012dc8.bin634c354c528bd196684a630e266d338298140de10b82ba7db77448938d58f4e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DC8 | 10476 bytes |
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