Malicious PDF — malware analysis report

Static analysis result for SHA-256 b7e1e576bf29322b…

MALICIOUS

PDF

47.3 KB Authoring application: QPDF
MD5: 77c4a458c1896d50f56357e58cfae5ce SHA-1: 007546a0067e296f0506e31d9bdaa63ad7f80d18 SHA-256: b7e1e576bf29322b23a8b1599d4cdf1d7d1e80e9c5f11fdaeae9ef3f02de1402
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links pointing to external PDF files hosted on various domains. This technique is commonly used for phishing campaigns or to distribute further malware. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing and redirection nature of this file. No scripts were extracted from this sample.

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://newspinsoultions.com/uploads/1/3/0/6/130621980/melajozegorede_jopazifu.pdf
    • http://labornechurchcapetown.com/uploads/1/3/0/6/130604546/peduvekonafute-fodumetif-nufotepetusugow.pdf
    • http://cavalierspublishing.com/uploads/1/3/0/6/130639334/90278.pdf
    • http://myegiftvoucher.com/uploads/1/3/0/2/130272973/10246.pdf
    • http://journeytomichelin.com/uploads/1/3/0/5/130551433/31d9cf.pdf
    • http://spectacularvintageevents.com/uploads/1/3/0/6/130621280/doreruwiriwezam-kusebufigok.pdf
    • http://drandrewlukaris.com/uploads/1/3/0/5/130588352/32a68c08acd355.pdf
    • http://mycityrebate.com/uploads/1/3/0/2/130272930/483732.pdf
    • http://michanti.com/uploads/1/3/0/5/130539255/9061084.pdf
    • http://tailormadeventures.com/uploads/1/3/0/5/130588733/megisadesumekine.pdf
    • http://ibandmanagerpro.com/uploads/1/3/0/4/130488503/xigoraxe.pdf
    • http://mexicolegalhelp.com/uploads/1/3/0/6/130604575/e9d80a1.pdf
    • http://morsebrass1.com/uploads/1/3/0/4/130483578/ketitifagu.pdf
    • http://dalesidea.com/uploads/1/3/0/3/130313826/e50ba0e1b1e42.pdf
    • http://johnsteinman.net/uploads/1/3/0/7/130775380/juvowutif.pdf
    • http://paradoxicalreality.net/uploads/1/3/0/4/130435531/d9ed277684c000a.pdf
    • http://bodysoulsalon.com/uploads/1/3/0/6/130640194/fexanovarufupani.pdf
    • http://xianshanghongtaokyulecheng.br3h.com/uploads/1/3/0/4/130488741/130488741.html#ikea+chairs+poang

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004e62.bin
8ec8c2252d1b0a1cc16637c0e1f77da7137146423e231c53be47bbaf832064ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E62 2048 bytes
font_01_sfnt_off00005ad1.bin
05694ce1c781e9990b842441bce5187d07e6d0a5a4f26468127c570b6e640551		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AD1 8836 bytes

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