MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan PDF. It contains numerous URLs, many pointing to PDF files hosted on various domains, suggesting a link farm or distribution mechanism. The presence of 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics further supports the link farm and compromised hosting aspects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 http://rideco.hu/upload/file/pumibi.pdf In PDF document text
- https://wintechindia.in/ckfinder/userfiles/files/wunuzipukoken.pdfIn PDF document text
- http://sushiyaslo.com/uploads/files/ponakijukokomefolawetat.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/37daab9b73a92fa25429d86e4ef7e391/kijotodadojajubimuwud.pdfIn PDF document text
- https://gplacestracker.com/userfiles/file/merugokiranipotav.pdfIn PDF document text
- http://vietsonplastic.com/uploads/userfiles/file/rutebe.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a45bfa9c6e---vefegorabiwiwepeno.pdfIn PDF document text
- https://wineart.online/userfiles/file/zenatemuvamodimewogapajen.pdfIn PDF document text
- http://cdkuys.handysociality.com/upload/files/sizuta.pdfIn PDF document text
- https://speakingparrot.com/upload/ckfinder/files/31738672050.pdfIn PDF document text
- http://aunay-sous-auneau.fr/ckfinder/userfiles/files/lafilelurupivuzewubor.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/k0d5hm2mv7rof4b1lbiam99t62/xulaxozirew.pdfIn PDF document text
- http://anaminfo.com/attachfile/file/61508240912.pdfIn PDF document text
- http://szyuangang.com/UserFiles/file///kikovadumu.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/161406a603f9f1---taromufiviramusazifo.pdfIn PDF document text
- https://sabunwangi.com/contents/files/vimilubabob.pdfIn PDF document text
- http://leadingedgecorporate.com/user_images/file/92947771657.pdfIn PDF document text
- http://travelshops.pl/userfiles/file/dufogo.pdfIn PDF document text
- https://markiza-trade.ru/admin/ckfinder/userfiles/files/lafagozux.pdfIn PDF document text
- http://www.taxivanclass.com/uploads/ckfinder/files/24951923134.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/38449768074.pdfIn PDF document text
- http://rustproofingottawa.com/userfiles/file/warepeduxot.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=janibcn+chal+mera+putt+2+moviePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c8e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8E9 | 10888 bytes |
SHA-256: 6d7b50d849b9b927d3e587ef98db0dd530736ebd0a66e1990ed303f8a7c6da93 |
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font_01_sfnt_off0000e1be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1BE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f9d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9D0 | 17720 bytes |
SHA-256: db30c48eacb243689f46cedbd36fd8dc6d78e65b76f3f408d971521385c1a6de |
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