Malicious PDF — malware analysis report

Static analysis result for SHA-256 296e69a4af9ac1a4…

MALICIOUS

PDF

112.2 KB Created: 2020-11-17 17:22:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 9106307c3ca92430fbec82d3b04058a1 SHA-1: 210cfba66f9926b60c122bf08586e3616bb2e786 SHA-256: 296e69a4af9ac1a43212598c93b27edc03b03afabed05671dabb1b4f0147f6fe
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains an embedded URL pointing to a suspicious domain, likely intended to redirect the user to a malicious site. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to exploit users through deceptive content, possibly related to technical manuals or software.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9986

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=powerflex+755+manual+control PDF link annotation
    • https://turomanusogagi.weebly.com/uploads/1/3/1/4/131453559/devagobogiv.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408594/normal_5fa82e6f42529.pdfIn PDF document text
    • https://lagukekejase.weebly.com/uploads/1/3/0/8/130815031/bezizisutirev.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385038/normal_5f9f718015a4e.pdfIn PDF document text
    • https://tipefejiri.weebly.com/uploads/1/3/0/9/130969755/fegalaxukerer.pdfIn PDF document text
    • http://www.opentle.orgIn 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/94065325166.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7794cfec-79a9-4604-b1cb-7dabdf2b5688/pharmacology_flashcards_drug_class.pdfIn PDF document text
    • https://s3.amazonaws.com/vaxebisapesi/beyond_the_sea_robbie_williams.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0d753480-8104-4658-89eb-2878f38733fe/lilag.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b5540ca4-068a-4adf-b9d0-05496dadf764/simple_mans_guide_to_real_estate.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://www.gnu.org/licenses/gpl.htmlIn 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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00016492.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x16492 5908 bytes
SHA-256: 075f9f2e89391f48c7b2f2820b3d38a235f5a27cf9fe5407cc754a1f4d7bc253
font_00_sfnt_off000152d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x152D5 5216 bytes
SHA-256: 14aa966a0b79c1851ac60721fd1241f7dfd53d672be306cf8a8752e2f2745903
font_02_sfnt_off0001737b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1737B 12120 bytes
SHA-256: 95fb091df0a10ab78333e68c2dbd182cdc77f5f79e6ee68ddef3e59a58827431
font_03_sfnt_off00019d39.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19D39 16384 bytes
SHA-256: 11b728ba61c6180204a9eebea85a488146279456c60dd03932aceb9ebe84fcba

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