Malicious PDF — malware analysis report

Static analysis result for SHA-256 152e134b6dc69bb3…

MALICIOUS

PDF

39.6 KB Authoring application: Solid Converter PDF
MD5: 3a1b7eeafd4a79503c9674cc5d54a30e SHA-1: 9153988cea7cfb5d9709e6f63e6915d82e9e8890 SHA-256: 152e134b6dc69bb30ea076e551338c0968734854a9a6816b284d893066fce3f9
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent. No scripts were extracted, and the document body is heavily obfuscated, preventing a deeper analysis of its specific purpose beyond the link farm.

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://dhjdance.com/uploads/1/3/0/7/130740118/xoxinedifofole-dotow-kijitinon.pdf
    • http://foothillsbiblefellowship.com/uploads/1/3/0/4/130488759/9ffe4.pdf
    • http://escamuel.org/uploads/1/3/0/5/130589202/bisumisijikuvuvini.pdf
    • http://intracloud.net/uploads/1/3/0/6/130605497/0727d515f.pdf
    • http://globalctr.org/uploads/1/3/0/5/130588806/7753948.pdf
    • http://alicewild.shop/uploads/1/3/0/5/130543991/tidogewalir.pdf
    • http://solfeggiohypnosis.com/uploads/1/3/0/5/130541656/poxeregejixi.pdf
    • http://www.radicalcentre.org.au/uploads/1/3/0/7/130739983/ninemupaz.pdf
    • http://drjonhaag.com/uploads/1/3/0/4/130483911/jujefixorojal.pdf
    • http://businessbella.com/uploads/1/3/0/7/130776814/texipo.pdf
    • http://trentriverdesigns.com/uploads/1/3/0/4/130477036/0f2eceb5a9ba9e.pdf
    • http://thelifelink.biz/uploads/1/3/0/5/130544652/8117604.pdf
    • http://gsgla.net/uploads/1/3/0/4/130483193/suzelexu.pdf
    • http://cloud.ezgsa.com/uploads/1/3/0/7/130776591/5488c40b0a.pdf
    • http://cfthomas.com/uploads/1/3/0/5/130551505/vepin_kojexagi_mivexot_lonerowukitodi.pdf
    • http://obhaw.net/uploads/1/3/0/6/130621854/vekitokarefixufeli.pdf
    • http://www.deborahdeweypianist.com/uploads/1/3/0/5/130538922/5581211.pdf
    • http://www.havanaharrysrestaurant.com/uploads/1/3/0/4/130435570/6491963.pdf
    • http://nickwakeman.com/uploads/1/3/0/6/130620778/gumuruxonitapop-winos-fukopopafubosix.pdf
    • http://gsquarecommunications.com/uploads/1/3/0/6/130640110/5650408.pdf
    • http://vanity4humanity.net/uploads/1/3/0/6/130603811/1995454.pdf
    • http://healthybpformula.com/uploads/1/3/0/4/130477448/4370417.pdf
    • http://mvnhs.org/uploads/1/3/0/6/130604715/wovidojirobebamir.pdf
    • http://bodybycreation.net/uploads/1/3/0/2/130289232/toxuwiladibufa.pdf
    • http://huanqiuyule.br3h.com/uploads/1/3/0/2/130291575/130291575.html#formula+of+mean+median+and+mode+class+9

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003832.bin
8b7a398773da49cf17a3f4ed689cc51f09e573dd9bd95b294a61df9f4e0118c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3832 7708 bytes

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