Malicious PDF — malware analysis report

Static analysis result for SHA-256 80e538f27a193bb9…

MALICIOUS

PDF

74.1 KB Created: 2020-11-14 21:46:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: a0b44ffe1e9cc36024e38d35fd1587ee SHA-1: 913c59fbb72486f31fb2f157e446658f3934a3e0 SHA-256: 80e538f27a193bb9e388205479df8480f16be46f3d8703d88cce604cbe6e95dd
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 0.9998

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://traffset.ru/strik?utm_term=carthago+mondial+58+drh PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4365636/normal_5f86fce112241.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382619/normal_5f8dff154d901.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369506/normal_5f95a937e72b3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393033/normal_5f9644ee27bdc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408865/normal_5fa2782ba705e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384649/normal_5f937e7261431.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414352/normal_5fa36908b5ed1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380528/normal_5f97b0f4ae217.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/tujeviwakirawu/tafusifesozi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/63c5b110-0154-4d90-904d-63307fa5d43f/dezesox.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e3b60c33-6b0b-42fa-9938-7ef825b873f4/56478151934.pdfIn PDF document text
    • https://s3.amazonaws.com/wupixufekijax/dubuxurizebinuwoxanowel.pdfIn PDF document text
    • https://s3.amazonaws.com/fajeloninesitel/bloody_mary_drink_wiki.pdfIn PDF document text
    • https://s3.amazonaws.com/serogajugomiji/algebra_ii_topics_by_design_answers.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
    • 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.

FilenameKindSourceSize
font_00_sfnt_off0000cc48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC48 5284 bytes
SHA-256: 3230d2ac84d131f91f7a2f5d10f133cfa2e0e504426d4e7ba33cb7bc91f40deb
font_01_sfnt_off0000de0f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE0F 11088 bytes
SHA-256: 9978c1710e9e878ed6dfd21c77d2f27499eda50f544321811e3263c3a6e8f2cd
font_02_sfnt_off000103d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x103D2 16492 bytes
SHA-256: 02109511e19f1f82821340b667c622992ae34a64feeb970c412a0e5b10e4ab3d

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