MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected 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 CMS platforms. The presence of numerous URLs, including those with 'utm_term' parameters, suggests an attempt to manipulate search engine results or engage in SEO poisoning to distribute malicious content or phish for information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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 https://drafthe.ru/uplcv?utm_term=precio+cizalla+manual+usada PDF link annotation
- https://eccdc.org/application/webroot/userfiles/file/tuvopedijupukarefufepol.pdfIn PDF document text
- https://cochleartudaskozpont.hu/files/25875694106.pdfIn PDF document text
- http://studiochiodo.eu/userfiles/files/bidetitos.pdfIn PDF document text
- http://cathyknightwaite.com/ckfinder/userfiles/files/8411470983.pdfIn PDF document text
- https://y3stwk65l-mn9.com/contents/files/67488125651.pdfIn PDF document text
- http://cappellastudio.it/userfiles/files/fefox.pdfIn PDF document text
- http://hoaisonland.vn/upload/files/39605259900.pdfIn PDF document text
- http://szpitalstrzelin.pl/userfiles/files/52795401847.pdfIn PDF document text
- https://buddhaart.in/userfiles/file/fubekas.pdfIn PDF document text
- http://kutscher-customs.de/gfx/userfiles/files/98985524056.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613613e98b5d0---zotanujer.pdfIn PDF document text
- http://queenart.kr/userData/board/file/fupebosaxijoxobozuwu.pdfIn PDF document text
- http://e3edu.vn/public/ckfinder/core/connector/php/connector.phppublic/uploadsfiles/67437319977.pdfIn PDF document text
- http://www.waetsukai.jp/system/ckfinder/userfiles/files/83256575378.pdfIn PDF document text
- http://pobierzplik.pl/uploads/files/41043185370.pdfIn PDF document text
- http://anquocrealty.com/uploads/image/files/85189628189.pdfIn PDF document text
- http://conniecorsentino.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/woxasewe.pdfIn PDF document text
- http://asqcert.net/files/files/70815189031.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16131045f23f04---vikiputilexaravep.pdfIn PDF document text
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/36e4bbc3a4c33675391865d72b357890/nariro.pdfIn PDF document text
- http://itagqatar.zajeltel.com/itag/file/files/zasikulivogifox.pdfIn PDF document text
- http://sivam.pl/files/file/83012504346.pdfIn PDF document text
- https://nabijdefossa.nl/upload/files/kogulimozatuxasaboteba.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/mqko0e012uupi56nqv8jn2evc9/taviv.pdfIn PDF document text
- http://robfredo.com/userfiles/file/zovavifegugimedo.pdfIn PDF document text
- http://crm333.com/documentos/file/12346478509.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_off0000e232.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE232 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fa49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA49 | 10596 bytes |
SHA-256: b6df58bed426b56b4620b06d33d50e994945bc1b678f5aaf344f7ff4908f1d5b |
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font_02_sfnt_off0001126a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1126A | 19356 bytes |
SHA-256: 866064f4cada3d62d6281bc30ba3e004a77e7573a480de7f45b07db3b7a5e8f5 |
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