MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, 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 drive traffic for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://ketchas.ru/uplcv?utm_term=can+i+use+iwatch+with+android PDF link annotation
- https://airxps.com/userfiles/files/50635424300.pdfIn PDF document text
- https://casasholidays.com/scgtest/team-explore/uploads/files/26505116046.pdfIn PDF document text
- http://stisk.com/file/14750966970.pdfIn PDF document text
- https://mogilew.ru/userfiles/file/sarizujobasipusi.pdfIn PDF document text
- http://makesrealsense.com/ckfinder/userfiles/files/mejafekaki.pdfIn PDF document text
- https://profm.hu/files/file/61707458734.pdfIn PDF document text
- http://thuduchouse.vn/pics/file/devibetafugamumameb.pdfIn PDF document text
- http://hotelclinton.it/userfiles/files/4427667435.pdfIn PDF document text
- https://rainbowfurnitures.com/files/files/xajaperuter.pdfIn PDF document text
- http://www.juniorcollege.cl/ckfinder/userfiles/files/zoxibolim.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/ip1jejgi5lsnk7f5c0q812j8g1/10049122432.pdfIn PDF document text
- http://bancasemecanino.com/userfiles/files/sarotivabiwur.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/3c96ad79b6cf34977a6f697f840fb008/zujerivaxisosim.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16133b73ab98b2---furibitirorizupop.pdfIn PDF document text
- http://vattucongtrinh.com/userfiles/file/lagepasirozofasen.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/161361068824bb---duvamameziv.pdfIn PDF document text
- http://igs.compcierge-asia.com/ckfinder/userfiles/files/tewagubekoxomudat.pdfIn PDF document text
- https://rts-wm.com/ckfinder/userfiles/files/vozanuxiworuvopod.pdfIn PDF document text
- http://anadolumatbaa42.com/genelresimler/file/26823613710.pdfIn PDF document text
- http://arc-en-cielproduce.com/ckfinder/userfiles/files/24809927289.pdfIn PDF document text
- https://thietbixaydungcantho.com/canthomobile2/public/images/sanpham/files/73198487860.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/jefufitozinipirulidusobo.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_off00010c52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C52 | 18856 bytes |
SHA-256: 5208fad46109d331dd394bd99a6884ef2f34cfc65fd50a5120e3a3beb343fcf6 |
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font_01_sfnt_off00013d6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D6F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015586.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15586 | 10640 bytes |
SHA-256: 1716b629d7e7f3957a360cf8125287a870ab81045b67fbabc6f5a539328699d5 |
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