MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.007 JavaScript
This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised websites or disposable hosting, suggesting it functions as a link farm designed to redirect users to malicious content. The presence of a QR code lure further supports a phishing or malware distribution objective.
Machine Learning
- Nyx PDF Classifier malicious score 0.9901
Heuristics 7
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://crysiq.ru/uplcv?utm_term=the+pharmacological+basis+of+therapeutics+pdf
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/527aa48d75580c99eeeb0d25bae643f3/5014881539.pdf
- http://xn--b1amishc2fb.xn--p1ai/ckfinder/userfiles/files/vojiwusiguledijawifo.pdf
- https://sokolzgierz.pl/web/uploads/files/rufimesoridifane.pdf
- http://petukmahaaaraj.com/userfiles/file/39505782765.pdf
- http://cabanagarden.hu/editor_up/tanoboxebogogezopawa.pdf
- http://colorsoftexas.com/ckfinder/userfiles/uploads/78328181841.pdf
- http://molenat-energies.fr/molenat.com/images/editor/file/sopili.pdf
- http://stimatacasa.eu/userfiles/files/rumezexafufi.pdf
- http://dagmar-e.de/userfiles/file/gotepokilenazatupepud.pdf
- https://o-dance.com/upload/files/17426539727.pdf
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/80131fe74a2598d4d18db03a8f28e19d/gotokemixotimekazovun.pdf
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/991c604a7f654d27b859affb9e24fa57/90284724362.pdf
- http://mstreatmentadvances.com/userfiles/files/zelerilafad.pdf
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/m7k6p4oh34gqbvviuoctaa7hi0/29414003706.pdf
- http://msnladyboy.com/ckfinder/userfiles/files/57172414871.pdf
- http://helloshoppingnepal.com/userfiles/file/bukomo.pdf
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/e4f9349ddd69fc855f7471a1837277c5/detumokaramipezekiju.pdf
- http://nuestratierrapremios.com/campannas/file/11158578386.pdf
- http://axwelindia.com/uploads/sazojetime.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/54731c4b6e90ede14957fe684c8dd710/43596830588.pdf
- http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/92288519316.pdf
- https://megatekspb.ru/sites/default/files/uploads/puxopedoruwogemotizotirag.pdf
- https://vitanov.rs/files/legajovumokusujinit.pdf
- https://alpinebadmintonacademy.com/ckfinder/userfiles/files/newefirubes.pdf
- http://candientuvibra.com/images/file/suxararijuzebunufibapibi.pdf
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ebca270bf4---97862957269.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16130ae90763d6---91215181419.pdf
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/5v5pptetb36oma6jauur2cnvjt/721608369.pdf
- 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_off0000c7a7.bin685d453bc6271ad48c86c82c21557fdd2b40d1a161d078aeffcb4b7ce5be1fc7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7A7 | 11168 bytes |
font_01_sfnt_off0000e152.bin442d5506456197661496ddaaeed1b77d85d603b4b8b7f1b5b97d9455e93990da |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE152 | 17148 bytes |
font_02_sfnt_off00010da8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DA8 | 16792 bytes |
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