MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with several URLs pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The PDF document body was heavily obfuscated, preventing a clear understanding of its specific content, but the overall structure and URL analysis point towards a malicious document.
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://dp-engineers.com/admin/userfiles/file/49957238578.pdf
- http://coming-c.com/userfiles/file/29684634784.pdf
- http://galsabino.it/userfiles/files/83940627283.pdf
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614246eed96b6---70687406917.pdf
- https://ipkameros.lt/userfiles/file/tufisuz.pdf
- http://ideviceplus.nl/app/webroot/files/userfiles/files/dogokitibafageguwosa.pdf
- https://izr.fr/files/kitumikunenonilibixamovag.pdf
- http://limeitec.com/upfiles/editor/files/niwubipopelasofupagul.pdf
- https://mytopics.it/uploads/file/31697679798.pdf
- http://lacasedescaraibes.fr/file/lagabuwixifamovesit.pdf
- http://mientaytourist.com/uploads/files/rutuzesotorit.pdf
- http://cellesekorea.com/ckupload/files/viwimabosevipizera.pdf
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613da631802fe---sudedaxuwirujapugaz.pdf
- http://wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/vawomuk.pdf
- https://onlinendttraining.net/files/37093186010.pdf
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/161324e73c9004---kajexadiv.pdf
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613dddd8022f8---begowezozeti.pdf
- http://zabradli-znerezu.cz/userfiles/file/lufilas.pdf
- https://redengewinnt.com/userfiles/file/25312647869.pdf
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613be90fc4512---doxoruluwilupulegomuxe.pdf
- http://thevale.us/userimages/60437688608.pdf
- http://gsxr.hu/userfiles/file/wuninikedejajopewabigu.pdf
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139e2c337b04---bokisefekoto.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=pou+mod+apk+latest+version
- 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_off0000def7.bincf0ade4a27c24b1105f4a53fd67688b5d2d5cd14a78a0f13c9b2ff2095ced1d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEF7 | 10812 bytes |
font_01_sfnt_off0000f7eb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7EB | 16792 bytes |
font_02_sfnt_off00010ffd.binc14ab5058974ecf5d1acdc7c98556e0f4f592d5565da2fc30dbf3298e493c5bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FFD | 18364 bytes |
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