Malicious PDF — malware analysis report

Static analysis result for SHA-256 65434b120dcefa15…

MALICIOUS

PDF

40.3 KB Authoring application: Scribus
MD5: f9d35e9333fc17e86b5ad45b9ecd55bb SHA-1: 00879d5e54cd8cf8d6def45f97a8449cc688feed SHA-256: 65434b120dcefa152f5ca2e8562ac4835fb1b3f0728167bae5376790a4586aad
152 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. This suggests a phishing or content distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery via these links.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://beatzbylex.com/uploads/1/3/0/4/130483956/bb4f77c6.pdf
    • http://theperfectsaturday.com/uploads/1/3/0/7/130738548/leralefufe_galusepuvo.pdf
    • http://climatechange.mobi/uploads/1/3/0/5/130551137/9890928.pdf
    • http://rem5vrlab.com/uploads/1/3/0/5/130539691/7153768.pdf
    • http://brightzone.net/uploads/1/3/0/7/130776486/a2dc8.pdf
    • http://tomryan.com.au/uploads/1/3/0/8/130814774/4c2f8a.pdf
    • http://al7erak247.com/uploads/1/3/0/7/130776561/mozotesim_temazowujezetun.pdf
    • http://schulzlegal.ca/uploads/1/3/0/5/130589409/zofafapumuxerakika.pdf
    • http://fielddaycreativeco.com/uploads/1/3/0/7/130775339/tupimiv-kabatolusi-razatuzobadepil-sefiwimako.pdf
    • http://mikelatt.com/uploads/1/3/0/2/130272394/94420564ae5f8c.pdf
    • http://nashvilledancecooperative.net/uploads/1/3/0/6/130621746/8699174.pdf
    • http://wholefoodmedicinewoman.com/uploads/1/3/0/6/130605168/tedovizevorix-telibenafonibuj-jurunon-sogataw.pdf
    • http://emersoncurtisbradford.com/uploads/1/3/0/4/130476078/fujox.pdf
    • http://wileybrands.com/uploads/1/3/0/6/130620185/b66d0b60c0f9.pdf
    • http://unitedmassmeditation.com/uploads/1/3/0/5/130541656/ac41b.pdf
    • http://waychilljesus.org/uploads/1/3/0/6/130621003/35529.pdf
    • http://advacarehealth.com/uploads/1/3/0/5/130589102/muririxagasuludan.pdf
    • http://xtremedezigns.com/uploads/1/3/0/6/130621152/3020780.pdf
    • http://ictforpeace.net/uploads/1/3/0/5/130551072/7a439f3.pdf
    • http://bailigongyulechengshoujiban.br3h.com/uploads/1/3/0/6/130639413/130639413.html#top+10+universities+in+the+world

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003b7a.bin
ccde964081eaae31ca69ed0fd6ebf4fd5a0becec3e5f630d5d54879588d120ef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3B7A 9840 bytes

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