Malicious PDF — malware analysis report

Static analysis result for SHA-256 a15bc5ced011582d…

MALICIOUS

PDF

68.8 KB Authoring application: Adobe PDF Library 9.0
MD5: 3ada8193b91f5626466ee04956be9c48 SHA-1: 70bf1b8d830cbd39ea828021ade36cc8ba993d9b SHA-256: a15bc5ced011582df4e23629d989f2173e6d9368ed0289c557222daebbd982a1
120 Risk Score

Malware Insights

MITRE ATT&CK
T1204.001 User Execution: Malicious Link T1566.002 Phishing: Spearphishing Link

The sample is a PDF containing a large number of external links, triggering the PDF_SEO_LINK_FARM heuristic. The document body contains a lure related to a Russian language course payment, but the bulk of the content is obfuscated or binary data. The ClamAV detection Pdf.Phishing.TtraffRobotInstall suggests a phishing campaign aimed at traffic redirection.

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://cewebdesign.net/uploads/1/3/0/7/130740026/lojuba-tevexom-telimebinima.pdf
    • http://www.opznblosjes.nl/uploads/1/3/0/6/130621051/3744946.pdf
    • http://tenzome.com/uploads/1/3/0/5/130588934/xined_lirevuzixe_pomotuzi.pdf
    • http://fut.party/uploads/1/3/0/7/130776578/eff2a04.pdf
    • http://jimmyplease.com/uploads/1/3/0/6/130639277/73f80450.pdf
    • http://michaelchasegosselin.com/uploads/1/3/0/8/130874435/febf57f8.pdf
    • http://auralovesome.com/uploads/1/3/0/5/130588370/segezekopipida-nuguzapujiges-foder-jukupu.pdf
    • http://www.rockinyourbling.com/uploads/1/3/0/9/130969891/c47580ed1d02f2d.pdf
    • http://ayyamouvement.org/uploads/1/3/0/6/130621607/dapeguwalida.pdf
    • http://rtknowhere.com/uploads/1/3/0/8/130814914/5040824.pdf
    • http://triadstartup.com/uploads/1/3/0/3/130323268/92e749bbc5fb.pdf
    • http://fashionmaven.store/uploads/1/3/0/5/130551417/faguzizatuxowisekij.pdf
    • http://michiperi.com/uploads/1/3/0/5/130588688/2b6cb8f0b7ac.pdf
    • http://devonwheatonfitness.com/uploads/1/3/0/7/130775280/gazibifema.pdf
    • http://hope4womeninternational.com/uploads/1/3/0/4/130483110/katezakid.pdf
    • http://irelandandmedia.com/uploads/1/3/0/2/130289235/1056828.pdf
    • http://stewartmechanicalcontractors.com/uploads/1/3/0/5/130539735/5f06b9fbaf.pdf
    • http://sassyfrassy.com/uploads/1/3/0/5/130551692/kupugaguxasasar.pdf
    • http://afege.org/uploads/1/3/0/6/130604411/99c0622fb2d.pdf
    • http://platformgym.net/uploads/1/3/0/4/130483515/130483515.html#alfabeto+russo+escrita+e+pronuncia

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000672b.bin
a7e52a73f773fa5be1f78037a87059c467c34ec8ff97ae56c34f9b1ef07eaa66		 pdf-font-stream PDF embedded font (sfnt) at offset 0x672B 3208 bytes
font_01_sfnt_off00007339.bin
410215487be88cdee401404f91d3a52a6096ac38bc9c4d40bc5103b52bac30ec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7339 20196 bytes
font_02_sfnt_off00009c21.bin
a92c39e507b4fc9248965fab1c123de65d8d81910aaf24a316dca3b7eb84fd58		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9C21 19380 bytes

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