Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed54adfd31f91006…

MALICIOUS

PDF

40.7 KB Authoring application: PDF Studio
MD5: c555883e988f34ffcd90d55b961137a6 SHA-1: 3f1b182946f5298b682b95b463aea095d2cc42dd SHA-256: ed54adfd31f91006d2b74193843946a2905c3e13550ccf14e6f30180d4d2a213
128 Risk Score

Malware Insights

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

The PDF file contains a mass external link farm, with 28 links pointing to various PDF files hosted on different domains. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the presence of a visual download button lure strongly suggest a phishing or malware distribution campaign. The embedded URLs are likely used to redirect users to malicious content.

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://nobleworksfunnycards.net/uploads/1/3/0/6/130604580/gijon.pdf
    • http://roadgeek.info/uploads/1/3/0/6/130640220/litusowekivina_xidobulobofe_runufup_vibipakazifalu.pdf
    • http://coreducate.com/uploads/1/3/0/5/130541623/xafubosimep.pdf
    • http://xgolflouisiana.com/uploads/1/3/0/8/130874133/jadufa.pdf
    • http://prosisw.com/uploads/1/3/0/2/130289296/5992836.pdf
    • http://publiceyenetwork.net/uploads/1/3/0/5/130538840/9389367.pdf
    • http://thestuff.org/uploads/1/3/0/3/130379222/ebd9da976.pdf
    • http://quickbongo.com/uploads/1/3/0/3/130379158/ae160c2b607de27.pdf
    • http://newtraditionworcester.net/uploads/1/3/0/4/130483494/gugaz.pdf
    • http://myhaydenisland.org/uploads/1/3/0/8/130814248/sejajevadanunax-fukenira-jekexane-wopijivek.pdf
    • http://monicajacobsontennessen.com/uploads/1/3/0/5/130545565/jitazopimositowu.pdf
    • http://more-beautiful.com/uploads/1/3/0/4/130483546/jisatavakudu.pdf
    • http://trustwaived.com/uploads/1/3/0/7/130775137/d186c1e8c.pdf
    • http://oakgrovefarmstn.com/uploads/1/3/0/6/130639884/fokabokepis.pdf
    • http://justcurious.info/uploads/1/3/0/7/130739001/130739001.html#sap+hana+installation+and+update+guide
    • http://nobleworksfunnycards.net/uploads/1/3/0/6/1

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004530.bin
5c729d7895ed2bd395ffc0c394b448fa14b01f998c5dfd77ae994a1871bf70b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4530 8072 bytes

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