PDF static analysis report

Static analysis result for SHA-256 8b5898e4a0e8f277…

SUSPICIOUS

PDF

32.2 KB Created: 2020-11-06 06:34:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 91a665172ca71e2f5ee0fba005430c58 SHA-1: d64fd45a836ea99a45fa04fcb4f949d11854b1b0 SHA-256: 8b5898e4a0e8f277878ca8eccd7296cbbfe37f3fc385bfb8f99487c5c0801d3f
36 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 suspicious by 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 1.0000

Heuristics 3

  • 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?keyword=sea+doo+owners+manual+online PDF link annotation
    • https://gupugeja.weebly.com/uploads/1/3/4/2/134235999/7538825.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370062/normal_5f896a4d2c39f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366362/normal_5f873720ab74f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365619/normal_5f956b76238e4.pdfIn PDF document text
    • https://rifodomofakape.weebly.com/uploads/1/3/4/6/134627700/3425577.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412165/normal_5f95176d38967.pdfIn PDF document text
    • https://vewutaniwem.weebly.com/uploads/1/3/0/8/130873717/labitili.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/mijedusovineti/davivodefotetuwerifogakav.pdfIn PDF document text
    • https://s3.amazonaws.com/migivewuwe/circuit_breaker_types_uk.pdfIn PDF document text
    • https://s3.amazonaws.com/gafedupeba/44364963696.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_off000040e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x40E3 5164 bytes
SHA-256: 52635f8e692d11e1dca371b554ebfbd9acc7ca6665a4685c9379763bae97ba23
font_01_sfnt_off0000526a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x526A 10012 bytes
SHA-256: 3608854c75af80888c665bce97bf10180b92b53d3ca696b3accba2fdc035d425

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