Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3ce4629998684d2…

MALICIOUS

PDF

39.7 KB Authoring application: SWFTools First seen: 2020-09-24
MD5: 0388ad78af2c5f5ecf62cbfe52a834b0 SHA-1: 3a5e0f1181b4f6783a8d14bd27b7ff6c60296946 SHA-256: f3ce4629998684d27baf7ae84367f667bad09f284b670c1374aed3ffd0784177
160 Risk Score

Malware Insights

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

The PDF contains a large number of external links to other PDF files, identified as a link farm. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent. The document body, while containing seemingly benign text about a 'Calgary barbell 16 week program spreadsheet', also embeds numerous URLs that likely lead to malicious content, suggesting a phishing or malware distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://digitalein.com/uploads/2020/01/28/soziwujifef.pdf In PDF document text
    • http://thaipin.com/uploads/1/3/0/7/130738845/2113745.pdfIn PDF document text
    • http://dcepool.org/uploads/1/3/0/2/130272505/nesufitinalurin.pdfIn PDF document text
    • http://fuwa.magbaysportfishing.com/uploads/2020/01/28/ripopililuxufezivi.pdfIn PDF document text
    • http://danielstorage.com/uploads/1/3/0/6/130620841/pefediv-vibuve-fubofolomusol.pdfIn PDF document text
    • http://dokafupor.worldtraveltrip.com/uploads/2020/01/28/8742998.pdfIn PDF document text
    • http://stylerant.com/uploads/1/3/0/3/130323409/2077685.pdfIn PDF document text
    • http://campusministry.net/uploads/1/3/0/5/130551153/resilegigevot.pdfIn PDF document text
    • https://pesawolobebum.weebly.com/uploads/1/3/0/2/130289163/suzude.pdfIn PDF document text
    • http://nailsbymargaret.com/uploads/1/3/0/5/130550690/sadazedelewon.pdfIn PDF document text
    • http://upanaloriri.com/uploads/1/3/0/5/130550711/8780722.pdfIn PDF document text
    • http://pameladirnberger.com/uploads/1/3/0/6/130603905/130603905.html#calgary+barbell+16+week+program+spreadsheetIn PDF document text

Related samples 3

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_off000012d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12D9 8724 bytes
SHA-256: b1da3995be3a59705ef0166bc6c740e8c06ea13e5cb280b8c91f7a3453fe37d8

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