Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d2160adb6dfeafa…

MALICIOUS

PDF

72.8 KB Created: 2021-02-08 08:12:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 0280cc702de860be988dea7805ab5901 SHA-1: 9d67daef9a6a6261346818d6455a5966576c7c2c SHA-256: 7d2160adb6dfeafa7464dee3eebc55d451752c2f4f9e02b7e4818c790efe2d72
156 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by multiple heuristics and a machine learning classifier. It contains a large number of external links, many pointing to Weebly-hosted PDFs, suggesting a link farm or redirection mechanism. One of the embedded URLs, 'https://baarspo.ru/wb?keyword=accounting%20ratio%20analysis%20report', appears to be a lure for users searching for accounting information, likely leading to a phishing or malware download site.

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://baarspo.ru/wb?keyword=accounting%20ratio%20analysis%20report PDF link annotation
    • https://mokufanogokotim.weebly.com/uploads/1/3/1/4/131406807/4a736.pdfIn PDF document text
    • https://cdn.sqhk.co/zivudasexoni/w9hdhib/78061714911.pdfIn PDF document text
    • https://vuwisirikufav.weebly.com/uploads/1/3/4/7/134765545/8959035.pdfIn PDF document text
    • http://sellamorem.com/movies_free_app_for_pcgpo55.pdfIn PDF document text
    • https://cdn.sqhk.co/gegenosuzun/bjcwgeE/xipafajibutegufubopivi.pdfIn PDF document text
    • http://rezltml.xyz/sajaviwofoxiwaziwozogef8qdv.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4392439/normal_5ffcd2a50c502.pdfIn PDF document text
    • https://lorotorerusut.weebly.com/uploads/1/3/1/4/131452969/vewudimep.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/wetevali/extended_essay_guide_history.pdfIn PDF document text
    • https://s3.amazonaws.com/sedimeraxufi/99847098825.pdfIn PDF document text
    • https://s3.amazonaws.com/labitajaxatufib/86780035427.pdfIn PDF document text
    • https://s3.amazonaws.com/kafises/42191481109.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_off0000e022.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE022 5192 bytes
SHA-256: c9af59945de5d427781c04f1ac88c67a48a36e92e86cefb332b9ae2b764568e4
font_01_sfnt_off0000f1ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1EC 10712 bytes
SHA-256: c548fe363ab8d441fd352322931155478cd94c0bea4f53d12f4dcdd929b5a664

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