Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb7da0224b207a42…

MALICIOUS

PDF

44.6 KB Authoring application: OpenOffice.org
MD5: e91ce1d2ff1a54c5b54373d95a543c04 SHA-1: 62e778d188553741ccf934e337c2e5f749aea875 SHA-256: bb7da0224b207a4266c88b1ccca6abcc2dfc72000de7d515c4e8316adc19af79
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF file was flagged by multiple heuristics, including ClamAV and a machine learning classifier, as malicious. The critical PDF_SEO_LINK_FARM heuristic indicates the presence of a large number of external links, with the first identified URL being http://maygamers.com/uploads/1/3/0/6/130621179/553559db2c.pdf. This suggests the document's primary purpose is to act as a lure, redirecting users to potentially harmful websites.

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://maygamers.com/uploads/1/3/0/6/130621179/553559db2c.pdf
    • http://ladyshades.com/uploads/1/3/0/2/130272081/bejivofojapo.pdf
    • http://arteducationdesign.com/uploads/1/3/0/2/130287307/d1c4a2463b16b.pdf
    • http://aggressivelyintelligent.band/uploads/1/3/0/5/130539758/boputovojalunu.pdf
    • http://sptbgautorepairpros.com/uploads/1/3/0/4/130435697/tididefim.pdf
    • http://gameandsoft.store/uploads/1/3/0/5/130552016/6676758.pdf
    • http://liquorlawsvt.net/uploads/1/3/0/5/130543262/wisimawifono.pdf
    • http://mrsdawson-classroom.com/uploads/1/3/0/5/130588956/3046747.pdf
    • http://mndball.com/uploads/1/3/0/2/130291036/eb820924af.pdf
    • http://mycounselingsa.com/uploads/1/3/0/4/130490977/8130970.pdf
    • http://kerrydavies.net/uploads/1/3/0/6/130603860/fomej.pdf
    • http://loggingthemiles.com/uploads/1/3/0/2/130289424/rerawutibagokex_zidox_xatalonemarafuv.pdf
    • http://meshayla.com/uploads/1/3/0/7/130738569/130738569.html#extraction+of+iron+from+its+ore+video

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001328.bin
1191592a9935b1a7453e7c9ed0bae25e366b8e3d526f785543849b6fe1d65ee3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1328 8592 bytes
font_01_sfnt_off000072df.bin
9eb636cd4935c244d710877cd27f5863e7475c0c7afe2e0e81477ef8bb920394		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72DF 2816 bytes

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