Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a1870476d8ec218…

MALICIOUS

PDF

64.2 KB Authoring application: Poppler-utils First seen: 2020-09-24
MD5: 88f9ff0cafb89ca122a7a4fb10f89b58 SHA-1: a4b78879a158e9473dec1fe8af9ca8ea03251556 SHA-256: 8a1870476d8ec2189277c38ebd3eaa9e2c7ff4a8f5f20395e2e0c6e36e8cd598
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded URLs, indicative of a link farm or phishing lure. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The document body appears to be corrupted or contains irrelevant text, but the presence of numerous external links is the primary indicator of malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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 http://baserlawprogram.com/uploads/1/3/0/7/130775334/4155012.pdf In PDF document text
    • http://keeptotheroad.com/uploads/1/3/0/7/130776394/weduzibul_wujoxaresipowi_wozujevupitew.pdfIn PDF document text
    • http://www.hawaiiislandspirits.com/uploads/1/3/0/2/130291434/ruxiwebotebol.pdfIn PDF document text
    • http://eaglebrooks.com/uploads/1/3/0/7/130739715/7019477.pdfIn PDF document text
    • http://wordpress-starter.com/uploads/1/3/0/6/130605331/desefuf-sosega.pdfIn PDF document text
    • http://ledigsolutions.com/uploads/1/3/0/5/130588703/tufotelape.pdfIn PDF document text
    • http://dhjdance.com/uploads/1/3/0/2/130272629/makevilelolo.pdfIn PDF document text
    • http://sharkdinghy.com/uploads/1/3/0/6/130604838/5062135.pdfIn PDF document text
    • http://nhfd-dev-site.com/uploads/1/3/0/8/130813531/4496059.pdfIn PDF document text
    • http://doylestownbotox.com/uploads/1/3/0/7/130739894/kejot_lafesogibavo_zisolev.pdfIn PDF document text
    • http://yessicafandinofiore.com/uploads/1/3/0/8/130813301/ecf89b1974cff7.pdfIn PDF document text
    • http://cgccc.com/uploads/1/3/0/6/130621083/1771843.pdfIn PDF document text
    • http://wcd-lzubvsmk.mgh-r.ch/uploads/1/3/0/5/130540266/130540266.html#renaissance+periodization+abs+hypertrophyIn PDF document text

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000175a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x175A 8544 bytes
SHA-256: 9555d0c5ba23f3dca1de9c81b6bef385baf1084c4e2e553f1c8f4a6c59330973

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