MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised websites and disposable hosting, indicating a likely phishing or malware distribution scheme. The document body is heavily obfuscated and unreadable, providing no direct user-facing content, but the presence of multiple external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest the intent is to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://cobe-ing.it/userfiles/files/pijagidubed.pdf In PDF document text
- http://timebank.ru/sites/default/files/photos/pagefile/65840114899.pdfIn PDF document text
- https://saam.vn/images/content/file/9249693276.pdfIn PDF document text
- http://les-dvorik.ru/userfiles/file/zajotuximitugemiriremekib.pdfIn PDF document text
- http://stowarzyszeniemalyksiaze.eu/img/upload/files/66203035213.pdfIn PDF document text
- https://remoteyourstaff.com/calisma2/files/uploads/4615826976.pdfIn PDF document text
- http://asupuro.com/upload/save_image/files/firubomagizitibuvumabir.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607480961c41c---13503068533.pdfIn PDF document text
- http://webursitet.org/Files/file/jabunase.pdfIn PDF document text
- http://gshosnab.ru/userfiles/file/rexukajolo.pdfIn PDF document text
- http://yilip.net/userData/board/file/fuvus.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/aequcmlpjfsknm146djr5sattu/kosazoxomuvopubo.pdfIn PDF document text
- http://togetherwewalkny.org/clients/2/24/2411cc079aa0f0d7fd57f81c6163ecfd/File/kovad.pdfIn PDF document text
- http://rorolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tetufiro.pdfIn PDF document text
- http://softwarefactory.nl/images/file/26493391175.pdfIn PDF document text
- https://notarbrazda.cz/userfiles/file/In PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c3c4eec3d4---32438884620.pdfIn PDF document text
- http://transfertrolley.cn/d/files/52060853200.pdfIn PDF document text
- https://ixiu-23.com/uploads/files/202108181430588978.pdfIn PDF document text
- http://danies.ru/ckfinder/userfiles/files/zebebive.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1c3c44fe7---rudukowaj.pdfIn PDF document text
- http://amsasecretariat.fr/userfiles/file/19166950533.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=prostaglandina+e2+pdfPDF 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_off0000d3be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3BE | 18324 bytes |
SHA-256: 803d4887f3056f6d806c4c4c1a4194e22a37f6b543d18c7e33995c71ca501554 |
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font_01_sfnt_off000102ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102ED | 10792 bytes |
SHA-256: 8be955eaf779727ddf831c088723e3e548e5aee9f69c5a551e9d1af9551a9216 |
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font_02_sfnt_off00011bbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BBF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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