MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many pointing to suspicious domains, suggesting an attempt to redirect users to malicious sites. The presence of numerous links and the 'utm_term_redirector' heuristic indicate a link farm or phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9829
Heuristics 5
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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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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://mtmhomeschool4art.com/mycms/uploadedimages/editorUploadedImages/file/54797632070.pdf In PDF document text
- http://nickels.design/ckfinder/userfiles/files/xutifozifanokiwuzexe.pdfIn PDF document text
- http://geoman.cz/data/file/81268952578.pdfIn PDF document text
- https://art4you.sk/editor_uploads/system/files/17461105523.pdfIn PDF document text
- https://torbay.ru/images/uploads/file/9176412397.pdfIn PDF document text
- https://dailyhondaotomientay.com/upload/files/56923616795.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144ad5ecf708---baxugimutusijavubazinozow.pdfIn PDF document text
- http://urbancollab.com/userfiles/Proj_Name/files/korujajewesibunidasora.pdfIn PDF document text
- http://cjmfgx.morefriendship.com/upload/files/58594647804.pdfIn PDF document text
- http://th-hl.com///upload/files/58518754423.pdfIn PDF document text
- https://alistairmills.com/ckfinder/userfiles/files/medevijovuzapotupimedon.pdfIn PDF document text
- http://rpsbchamber.org/editorData/file/48159713431.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc2391d05b---galufowoxare.pdfIn PDF document text
- http://hkbroadwin.com/userfiles/98048301782.pdfIn PDF document text
- http://linza-market.ru/upload/files/dotimosesexonegufe.pdfIn PDF document text
- http://daiduongmetal.com/uploads/ckfinder/files/13801453256.pdfIn PDF document text
- http://falegnameriacastiglione.it/userfiles/files/14795541650.pdfIn PDF document text
- http://sarljarry.fr/userfiles/file/80883298956.pdfIn PDF document text
- http://gpkoaee.ru/ckfinder/userfiles/files/41227382496.pdfIn PDF document text
- http://webs123.com/userfiles/file/3224845382.pdfIn PDF document text
- https://network-italia.com/file/22264537123.pdfIn PDF document text
- http://emilymillerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/69465381796.pdfIn PDF document text
- https://saglamahsapkutu.com/img/editor/image/file/90127158367.pdfIn PDF document text
- http://spbi.cz/res/file/raxetamekogu.pdfIn PDF document text
- http://hifitness.hu/userfiles/file/vuxuxiwudejumepid.pdfIn PDF document text
- http://energo-winstal.pl/userfiles/file/mitamimug.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=fb+lite+download+apkPDF 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_off0000c57b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC57B | 20300 bytes |
SHA-256: 49cb70e68a3b940e0068510ce73d2e2de728640e910ef5e933f14adf63da4ec8 |
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font_01_sfnt_off0000f9f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9F6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001120d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1120D | 10412 bytes |
SHA-256: 6f3c151b03302569428cfd45fc9adbd734857fcfac5eb991f7af90f534a2e383 |
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