MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, with high-severity heuristics indicating it hosts algorithmically-generated URLs and links to compromised CMS uploads. The PDF structure suggests it acts as a link farm, directing users to potentially malicious content hosted on various domains, some of which appear to be disposable. No scripts were extracted, but the overall pattern points to a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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 http://cpbnatation.fr/fckeditor/userfiles/file/7245059779.pdf
- https://towa-aaa.jp/userfiles/file/dawematukisoke.pdf
- http://irths.com/upload_files/files/54916430642.pdf
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1613c2940ce526---dowedotukitijofopadosum.pdf
- https://tapuionoticias.com/ckfinder/files/20986544729.pdf
- http://revucue.com/ckfinder/userfiles/files/zavigeduzidexejalarelug.pdf
- https://creteservices.com/FCKeditor/userimages/file/59428568306.pdf
- https://bhopalliteraturefestival.com/mpsdp/uploads/files/retatugowes.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d9a5bdc852---406902295.pdf
- http://veterinarioassociatopacinidallatorre.eu/userfiles/files/vemomarukakaxuzudozeleje.pdf
- https://ajur.rest/uploads/userfiles/file/logulid.pdf
- http://amindoost.ir/images/upload/files/xilupuwofotufiwanenab.pdf
- https://markaoyun.com/calisma2/files/uploads/41204793608.pdf
- https://amigo-shop.105h.net/upload/files/nukeperexarota.pdf
- http://koyomisushi.com/uploads/files/firajiginijinilejuzako.pdf
- https://activsport.ro/userfiles/file/6869610355.pdf
- http://dycelife.com/userfiles/file/lezujobizutewefojebemi.pdf
- https://oferta.lt/i/File/27382124073.pdf
- http://bunny888.com/ckfinder/userfiles/files/64315488996.pdf
- http://mmbc.cz/_data/user_files/file/babonagajorodo.pdf
- https://guijek.com/userfiles/file/sosafumabinulujij.pdf
- https://lotteppta.com/beta/assets/file/21014646721.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cbb47c2d7b---vudokopozone.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=makashi+lightsaber+form
- 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_off00011365.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11365 | 16792 bytes |
font_01_sfnt_off00012b7c.binebde1ecda1fa37827b3790986ef3129ed035e39cfb32ca082ce9d21ce5baac9a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B7C | 10780 bytes |
font_02_sfnt_off00014452.bin5cec827599664484f34c91b8247f49b8ebedc806da88c193fff70d45c58f523d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14452 | 17528 bytes |
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