MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous embedded URLs pointing to external domains, many of which appear to be part of a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The PDF structure itself is also noted as potentially being a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://synerhu.ru/uplcv?utm_term=the+wrath+and+the+dawn+pdf PDF link annotation
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145d7cb4a899---vubaginotiw.pdfIn PDF document text
- https://erdemlerkoleji.com/resimler/files/30300522923.pdfIn PDF document text
- http://technocom.pl/editor/file/93598323451.pdfIn PDF document text
- https://jeneifogaszat.hu/cikkdata/files/30311478801.pdfIn PDF document text
- https://mygrind.ie/userfiles/file/rekutotapegigun.pdfIn PDF document text
- https://drhuanghair.com/uploads/files/202109072135356197.pdfIn PDF document text
- http://studiomanzetti.it/userfiles/files/295345520.pdfIn PDF document text
- https://kristaldicarlo.com/userfiles/file/51670447910.pdfIn PDF document text
- https://saunadlaciebie.pl/userfiles/file/69778506858.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142ead0adfeb---8500239215.pdfIn PDF document text
- http://spodne-pradlo-2bpoint.sk/UserFiles/File/dinesetizipopatelizosa.pdfIn PDF document text
- http://polimak.pl/userfiles/file/jokobeniwubo.pdfIn PDF document text
- http://daehnfeldt.com/userfiles/file/nufubukuzufalipupuza.pdfIn PDF document text
- https://dcicz.org/userfiles/file/maleperapubediteziw.pdfIn PDF document text
- http://hydrogears.com/survey/userfiles/files/3203398274.pdfIn PDF document text
- http://olympicthesportshop.in/uploads/wugekorowogimixe.pdfIn PDF document text
- https://esterkins.de/ckfinder/userfiles/files/79660870955.pdfIn PDF document text
- https://horgaszvelem.hu/ckfinder/userfiles/files/bajimevoxo.pdfIn PDF document text
- http://www.armstrongre.com/files/files/zetawu.pdfIn PDF document text
- https://carrieres-pierre.com/userfiles/file/75004323054.pdfIn PDF document text
- http://kursadowicz.pl/Upload/file/5691777990.pdfIn PDF document text
- http://imi.vc/upload/files/pesofanisiliv.pdfIn PDF document text
- http://2sisaccount.com/userfiles/files/baloporurisitojapi.pdfIn PDF document text
- http://steffis-strassladen.de/userfiles/file/31018511711.pdfIn PDF document text
- http://wojno-stal.pl/pliki/file/delimodofisenepaminutula.pdfIn PDF document text
- https://asiantms.com/ckfinder/userfiles/files/ronawaxupowow.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_off0000b4af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4AF | 18964 bytes |
SHA-256: 0d60b390c7c12d84675c2f03276b7a00a4d968d2351dde13a33670d32e6ccec3 |
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font_01_sfnt_off0000e417.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE417 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC2E | 10216 bytes |
SHA-256: f1b650f0c88903a8af38ea333cd109b3d18082be7f3bc6366b575bbabd66b8d5 |
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