MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution intent. It functions as a link farm, directing users to multiple external URLs, including one that appears to be a compromised WordPress upload. The presence of embedded URLs and the overall structure suggest an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://queure.ru/uplcv?utm_term=apps+to+earn+robux PDF link annotation
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1614255e5e08dd---besarebomagubogivin.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/nudarexepogitu.pdfIn PDF document text
- http://bright-mineral.com/uploadfile/file/2021091006092554.pdfIn PDF document text
- http://15441707.com/data/board/file/20210911080313.pdfIn PDF document text
- http://aaykpn.com/uploads/editor/files/84634447322.pdfIn PDF document text
- http://rulife.ru/ckfinder/userfiles/files/72609986948.pdfIn PDF document text
- https://textosolutionslinguistiques.ca/upload/editor/file/17728401401.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/16130ae8424d7c---resevajux.pdfIn PDF document text
- https://betsin.org/userfiles/files/66399568926.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/fcca7cfeea2d9e7ec93a622352c687bb/joxutob.pdfIn PDF document text
- https://redengewinnt.com/userfiles/file/basidobawuseni.pdfIn PDF document text
- https://tradingphrases.com/userfiles/files/13069920929.pdfIn PDF document text
- http://anm-av.de/uploads/files/lofanatubisexefo.pdfIn PDF document text
- http://gndpta.eu/news_objects/files/xerukomofuru.pdfIn PDF document text
- http://www.cavice.fi/tiedostot/files/30351017739.pdfIn PDF document text
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16141bb4fe798e---22025309790.pdfIn PDF document text
- http://tv-kitchen.ru/files/files/20955877937.pdfIn PDF document text
- https://gonguyenkhoi.vn/upload/files/81211623830.pdfIn PDF document text
- http://tetrafluoro.com/upload/files/79792681222.pdfIn PDF document text
- https://sogelec-eng.com/files/ckfinder/files/rirezuwa.pdfIn PDF document text
- http://markone-tools.com/upload/files/11662791780.pdfIn PDF document text
- http://2222.netsociality.com/upload/files/66441736020.pdfIn PDF document text
- 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_off0000d9c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9C9 | 16780 bytes |
SHA-256: 40333849afb0e586279e27cadfedbf9849d63bb53f143913daf5f585c45a3a15 |
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font_01_sfnt_off00010584.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10584 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D9B | 10432 bytes |
SHA-256: d4cd30eb404ffe90515d8c5aff330bc7e73c4f827a9c8a3dd4d144841ee5728a |
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