Malicious PDF — malware analysis report

Static analysis result for SHA-256 533944e52ca50a5e…

MALICIOUS

PDF

34.8 KB Authoring application: Mobipocket Creator First seen: 2020-09-24
MD5: f27f925d77841e4965bf957c43faf552 SHA-1: dbf7b2c3df3de912830be1e872b8f48047829b91 SHA-256: 533944e52ca50a5e5f3837979db4a93a2eace01c6a60472bdf2a923c1f9cd31e
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded URLs, indicative of a link farm or a phishing lure. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly suggest malicious intent. The embedded URLs are likely used to redirect users to malicious sites or download further payloads. No scripts were extracted, limiting the analysis of direct execution behavior.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://365daysofkink.com/uploads/1/3/0/7/130740517/wapusizomuges.pdf In PDF document text
    • http://phenomsafetyconsulting.net/uploads/1/3/0/6/130604602/dijawerovadejezona.pdfIn PDF document text
    • http://copartdealerservices.net/uploads/1/3/0/5/130550663/tewux.pdfIn PDF document text
    • http://redrocketwebs.com/uploads/1/3/0/7/130775143/virifun_vobalugaxer_nexam_jepagigekiwiw.pdfIn PDF document text
    • http://crvconnection.com/uploads/1/3/0/6/130605453/mareporesogas.pdfIn PDF document text
    • http://bunniesareus.com/uploads/1/3/0/4/130483886/84a017ae.pdfIn PDF document text
    • http://quotebeast.net/uploads/1/3/0/5/130589409/05d2c7fdffb614a.pdfIn PDF document text
    • http://danielamansfield.com/uploads/1/3/0/5/130546153/nesutes.pdfIn PDF document text
    • http://josiebryant.com/uploads/1/3/0/4/130436318/6848605.pdfIn PDF document text
    • http://stormfilmsperu.com/uploads/1/3/0/2/130270746/kojorekijowi.pdfIn PDF document text
    • http://mikelatt.com/uploads/1/3/0/4/130435748/2251402.pdfIn PDF document text
    • http://crapradio.net/uploads/1/3/0/5/130589184/4711f.pdfIn PDF document text
    • http://frontlinehustle.com/uploads/1/3/0/6/130604476/0802c.pdfIn PDF document text
    • http://forget-it-not.com/uploads/1/3/0/7/130776561/fikegos.pdfIn PDF document text
    • http://gz9c2.slpny.com/uploads/1/3/0/7/130740497/130740497.html#what+is+the+cosmic+background+radiation+and+what+is+its+originIn PDF document text

Related samples 1

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_off00002f42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F42 7540 bytes
SHA-256: f15c28c9dde212305591bc77b9b879f44403e25de9f53ff701aca96c2aa6cdcf

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