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 a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external URLs, some hosted on compromised WordPress sites. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://www.eurosecurimed.com/ckfinder/userfiles/files/doxekizirajafeweje.pdf In PDF document text
- https://agermag.ro/mm/file/linekonada.pdfIn PDF document text
- https://ltes.tw-goods.com/UserFiles/files/902457069.pdfIn PDF document text
- http://provia-events.de/pics/fotos/1/file/pizediked.pdfIn PDF document text
- http://ufcnagykanizsa.hu/userfiles/file/bodavomitimal.pdfIn PDF document text
- http://thuephotocopytaihanoi.com/upload/files/18639211661.pdfIn PDF document text
- https://siahotel.com/userfiles/files/5606927665.pdfIn PDF document text
- http://mkconline.com/landmark/ckfinder/userfiles/files/zokizasolugifividerizene.pdfIn PDF document text
- http://pamatudarbai.lt/ckfinder/userfiles/files/wadawunapi.pdfIn PDF document text
- https://motoquadro.de/userfiles/file/kojesanapaserubopajutuwa.pdfIn PDF document text
- https://spa-salon.ru/ckfinder/userfiles/files/6261697484.pdfIn PDF document text
- http://investbuild.ru/var/upload/file/13805181205.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/70m3rtbind30tgtsnqmicksjpi/vatuxazu.pdfIn PDF document text
- http://hidrometa.com/images_upload/files/83191169552.pdfIn PDF document text
- http://thunderstar.cn/userfiles/file/20210911042349386362167.pdfIn PDF document text
- https://phm.vn/upload/files/26503626238.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16140b1ba57801---zujegagukeseloj.pdfIn PDF document text
- http://psn-monolit.ru/img_file/files/vajikofilarodinewa.pdfIn PDF document text
- http://efuturesthai.com/uploads/files/20889435438.pdfIn PDF document text
- http://sea-cruise.ru/ckfinder/userfiles/files/kajopojawuvewazaz.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161322d85b9973---24582686258.pdfIn PDF document text
- https://greenlandpark.com/uploads/files/zefupix.pdfIn PDF document text
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16141df0088e1d---2731204534.pdfIn PDF document text
- https://tktravelkorea.com/FileData/ckfinder/files/20210912_FD0600FC25790580.pdfIn PDF document text
- http://chatyzvule.cz/uploads/45075156006.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=data+saving+tips+for+androidPDF 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_off0000d9db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9DB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f1ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1ED | 18168 bytes |
SHA-256: 97c72fdea5f70f271221b5e23710da3021bad4ef574b4cee6b094d30cc71a08b |
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font_02_sfnt_off00012095.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12095 | 10560 bytes |
SHA-256: 14819bd68960a1b54785a982695ea51db4e421bfe02f39940168f9c7a7ef1cc9 |
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