MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, with one heuristic specifically identifying it as a link farm on disposable hosting. This suggests the primary purpose is to redirect users to potentially malicious sites, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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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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://appchecar.com/ckfinder/userfiles/files/7097023181.pdf In PDF document text
- http://dominopark.pl/public/upload/ckfinder/userfiles/files/bafadorivatinomomifolelel.pdfIn PDF document text
- http://ichieh.tw/uploads/files/202109111959444881.pdfIn PDF document text
- http://tongchangkj.com/uploadfile/file///2021090916041964.pdfIn PDF document text
- http://volkshilfe-ktn.at/images/content/files/90727753144.pdfIn PDF document text
- https://shen-su.eu/gfx/userfiles/files/32332994401.pdfIn PDF document text
- http://adas-muko.pl/photo/file/78666630222.pdfIn PDF document text
- http://ciaomamma.hu/editor_up/manojubo.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161381efea2fb8---jadubisumafinapo.pdfIn PDF document text
- http://trumoi-khutrung.com/upload/files/fusigimu.pdfIn PDF document text
- http://okna-dvere-online.cz/media/upload/upload/file/tuxaboserepagodade.pdfIn PDF document text
- https://vanphongphamhienluong.com/upload/files/53855449650.pdfIn PDF document text
- http://opusbiz.kr/data/editor/file/6963353006135649201d3c.pdfIn PDF document text
- http://konferencii.org/web/uploads/assets/file/60471411945.pdfIn PDF document text
- http://ominocoibaffi.it/userfiles/files/57098010350.pdfIn PDF document text
- https://best-of-geldanlagen.de/userfiles/file/68105617411.pdfIn PDF document text
- https://kotata-zlin.cz/obr/clanky/file/terof.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cdce527ffb---99825701131.pdfIn PDF document text
- http://ominocoibaffi.it/userfiles/files/89897411740.pdfIn PDF document text
- https://asset-books.com/userfiles/file/33433747265.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/nudimabeledid.pdfIn PDF document text
- http://nenayu.com/filespath/files/20210906142638.pdfIn PDF document text
- http://mecateengenharia.com.br/ckfinder/userfiles/files/suveje.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=the+walking+dead+comic+2+pdfPDF link annotation
- http://zs.tom.ru/jsplugins/ckfinder/userfiles/files/1125915552.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_off0000deb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEB9 | 17016 bytes |
SHA-256: 82fff08f578407fc8657e86efdc6a77941e04d6d1b0ef38ca204727add5dd206 |
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font_01_sfnt_off00010a9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A9F | 10960 bytes |
SHA-256: 194f37b8d552624863952cab7fcc0efb4af6e961d5398b0f5ba24a03c112d32d |
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font_02_sfnt_off000123b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123B3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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