Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e2826da2d91812b…

MALICIOUS

PDF

72.4 KB Created: 2020-12-17 01:53:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11
MD5: 0a680624be3451a2ce968474759d98bc SHA-1: 7b90df3c265e9c077ea552535041bd7d49c494e2 SHA-256: 9e2826da2d91812b133cd2536a9f8f74f8f383c4e74f688a2a81eb06149cdc95
156 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristic 'PDF_SEO_LINK_FARM' suggests the document is designed to host numerous external links, likely to manipulate search engine results or distribute further malware. The presence of embedded URLs further supports this, pointing to external resources that could host malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://trafftec.ru/aws?utm_term=whatsapp++video+kannada PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4482629/normal_5fc57ebcd3521.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460449/normal_5fbd49c788df0.pdfIn PDF document text
    • https://boxatikavizag.weebly.com/uploads/1/3/4/6/134680825/5714490.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4484114/normal_5fc3d0ad64e49.pdfIn PDF document text
    • https://jawowigo.weebly.com/uploads/1/3/0/7/130774982/7b44f697c7b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368243/normal_5fa857e79701e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495385/normal_5fc7a00e94623.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379489/normal_5fab2a5fb1dbb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490542/normal_5fd0e6378b97b.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/degisapemifa/maganulewesufijog.pdfIn PDF document text
    • https://s3.amazonaws.com/xonaxevetaf/bengali_letter_writing_book.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fd5f16da-c854-46db-b02e-94f449831d2f/how_to_drive_a_golf_ball_like_a_pro.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e163.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE163 5056 bytes
SHA-256: 8852dd3c6800c075c2c6998915e81796d6d01ad8bfce90580931fdf8c14b0a52
font_01_sfnt_off0000f2a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2A4 10240 bytes
SHA-256: ddb3557df1b3ee1b3fda8a4c0b43c7da668d33969ad6ea28b22037fb2d6997df

Open this report in the interactive analyzer, or submit your own file for analysis.