Malicious PDF — malware analysis report

Static analysis result for SHA-256 598bd282ded8efe8…

MALICIOUS

PDF

49.0 KB Authoring application: pstoedit
MD5: 3d025c2c2cf95c3b41c97a88ee8b8cce SHA-1: 59af75a8f7f828bba3a6587eb36339274e973adf SHA-256: 598bd282ded8efe893a08a0c9d9d5cf0097b7398e485099ff0907313544eb771
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF file contains a large number of external links, identified as a PDF_SEO_LINK_FARM, suggesting an attempt to manipulate search engine results or distribute malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious distribution motive. The presence of a visual download button lure reinforces the deceptive nature of the document.

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://brickhouseroofing.com/uploads/1/3/0/3/130313766/9734576.pdf
    • http://sawdustandboards.com/uploads/1/3/0/5/130539599/kozexufedupawofegori.pdf
    • http://rafefovo.javaprog.online/uploads/2020/01/27/lenafukexagomuxakas.pdf
    • http://tunaz.bitimecash.com/uploads/2020/01/27/mesidiga_kagor.pdf
    • http://wovolap.galamosaic.net/uploads/2020/01/28/cfad1.pdf
    • http://ruxizhang.com/uploads/1/3/0/5/130545365/nopofolozojomejud.pdf
    • http://julaxawar.bibaandboba.info/uploads/2020/01/29/9031603.pdf
    • http://charlestonvillagehall.co.uk/uploads/1/3/0/2/130270798/ludazisivod_sewerolumi.pdf
    • http://scallywaggish.shop/uploads/1/3/0/2/130289292/ruvokep-gomikopexu.pdf
    • https://nopetinabezapev.weebly.com/uploads/1/3/0/4/130435891/sobowijone.pdf
    • http://22502119.nhd.weebly.com/uploads/1/3/0/4/130492315/zaxoxugude_lemofak_vegilapifukexav.pdf
    • https://veripuxena.weebly.com/uploads/1/3/0/3/130323984/5602eb.pdf
    • http://mamajourneys.com/uploads/1/3/0/6/130621063/5f7aed81209.pdf
    • http://sauerlandhypotheek.nl/uploads/1/3/0/6/130604340/130604340.html#emulator+8086+crack

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013f6.bin
031c0cf297812c7488d53c0e1d0fb0d2399a91afd26250fb474ff4760a7b8e3f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13F6 8852 bytes
font_01_sfnt_off00006cb3.bin
fda6da4d5ba406858398fd6ed00de900dad0758fd48431d723324036a4e7c437		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CB3 14772 bytes

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