Malicious PDF — malware analysis report

Static analysis result for SHA-256 0cf14b24642809cf…

MALICIOUS

PDF

82.7 KB Created: 2020-11-13 22:06:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: c2854e8e274a54fbbfc43fcf993e0357 SHA-1: b044923e1886319d3e9da895ab45a4dc7462d472 SHA-256: 0cf14b24642809cf7732c6883dce9d1271d8231100c340c89a5c1976f0db6ffd
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://trafficel.ru/123?utm_term=terrarium+tv+apk+file PDF link annotation
    • https://gosasomaf.weebly.com/uploads/1/3/4/3/134370397/wevagixujipaguxu.pdfIn PDF document text
    • https://loneluripovulom.weebly.com/uploads/1/3/4/3/134364014/3dbb7bcbe44226.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/xanebavifamopez/dobotekagujoburogofa.pdfIn PDF document text
    • https://s3.amazonaws.com/rotowan/49421131802.pdfIn PDF document text
    • https://s3.amazonaws.com/bokelur/exercise_on_personal_pronouns_with_answers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e64c77c8-dd1a-400e-9021-aa26c690b771/86982199726.pdfIn PDF document text
    • https://s3.amazonaws.com/gorajikunobixi/kivolipuzesesuru.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f3eec3cc-0b5d-429d-bac8-b24cb1a4f800/90761331450.pdfIn PDF document text
    • https://s3.amazonaws.com/povodijirig/tubamezufata.pdfIn PDF document text
    • https://s3.amazonaws.com/mijedusovineti/witixabudegebij.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://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001087f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1087F 4944 bytes
SHA-256: 2767aef0097ad451f0b76b4ef2c46fad69f0dce6286f216587a287e1439f7430
font_01_sfnt_off00011947.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11947 11012 bytes
SHA-256: 9feed17d6f082c211b753a5fc880209420b6f3fe1b7493cd86e751a01bc3da20

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