Malicious PDF — malware analysis report

Static analysis result for SHA-256 eacb29eacc32adb1…

MALICIOUS

PDF

43.2 KB Authoring application: Solid Converter PDF
MD5: e23fbd29b7e2730fbf92d8966d5d57c9 SHA-1: ef49296e0fda4f2753c587cee4b513b71b066f37 SHA-256: eacb29eacc32adb104c9641d6a0dcc4791cd01796e25717586d9c0999da6ec16
152 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, as detected by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a phishing or SEO spam campaign. The ClamAV detection and ML classifier further support its malicious nature. No scripts were extracted from this sample.

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://mvstuff.com/uploads/1/3/0/7/130775848/muboxadibizixa.pdf
    • http://bucklesrvsales.com/uploads/1/3/0/5/130589412/wivebezovi.pdf
    • http://oklahomatraffictickets.com/uploads/1/3/0/3/130323889/6118278.pdf
    • http://mibaccountants.com/uploads/1/3/0/6/130640229/f4a5c.pdf
    • http://meat-barn.com/uploads/1/3/0/6/130621304/zezuk.pdf
    • http://tabletopleague.com/uploads/1/3/0/5/130544313/dapebevibilubaj-wobonidobip-powab.pdf
    • http://mikacollins.com/uploads/1/3/0/2/130274315/roropesix.pdf
    • http://myrandomblogger.com/uploads/1/3/0/6/130605036/4556468.pdf
    • http://mygirlsevents.com/uploads/1/3/0/2/130272233/9353194.pdf
    • http://northwestkansas.net/uploads/1/3/0/7/130775624/c2645bc0d296824.pdf
    • http://naushnik.space/uploads/1/3/0/6/130639270/4241699.pdf
    • http://margravepublishing.com/uploads/1/3/0/6/130605019/2102764.pdf
    • http://rentonlimoservice.com/uploads/1/3/0/5/130551103/menikobu.pdf
    • http://baseballtoolkit.com/uploads/1/3/0/7/130739982/nagemetiririx.pdf
    • http://mytranstrainer.com/uploads/1/3/0/6/130639045/gegalegozebabijovaza.pdf
    • http://actv8strength.com/uploads/1/3/0/5/130550929/e72703e9cd4f.pdf
    • http://yundingyulechengzhenzhengwangzhi.f18.ebkf.org/uploads/1/3/0/2/130272600/12224.pdf
    • http://dnmlr.com/uploads/1/3/0/2/130289611/6c84199f7433.pdf
    • http://jonnyhrab.com/uploads/1/3/0/5/130542977/6502518.pdf
    • http://cooparch.net/uploads/1/3/0/7/130739504/3552819.pdf
    • http://babyg-lash.com/uploads/1/3/0/5/130541351/19c8440.pdf
    • http://sustainablefleet.com/uploads/1/3/0/5/130589345/130589345.html#merge+2+pdfs+into+one
    • http://mibaccountants

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000481d.bin
17e0ccfc1b76f8c06ca7762be7718f55fb9d1399e4c427c2eb59214ee74a75f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x481D 8332 bytes

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