Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6a2e6a967055a0b…

MALICIOUS

PDF

37.9 KB Authoring application: Nitro PDF
MD5: 74a1132bb52f36b97b1a1498169aa3c1 SHA-1: 345c6d4299ac2ea628b564ed8500924692a0b15b SHA-256: c6a2e6a967055a0be487e3838efef893448d29378de325938f8e039b87dc0704
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a coordinated effort to manipulate search engine results or distribute malicious content. The ClamAV detection further confirms the malicious nature of the file, classifying it as Pdf.Phishing.TtraffRobotInstall. No scripts were extracted from this sample, and the document body content was heavily truncated and unreadable.

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://wildfantasycat.com/uploads/1/3/0/3/130323341/dozogifit.pdf
    • http://iamallsmiles.com/uploads/1/3/0/5/130545733/gudutovos_rabuzinakomi_razoren_vobifif.pdf
    • http://ztkarl.com/uploads/1/3/0/5/130551096/b1cf5c6e1.pdf
    • http://magnificentweedseeds.ca/uploads/1/3/0/2/130270761/sixojilaxavede.pdf
    • http://mwvhc-nh.org/uploads/1/3/0/6/130620662/sosovorapu_milidelodanu_lutigu_komogefe.pdf
    • http://processiq.net/uploads/1/3/0/6/130639155/goriladubovo_gafonobu_zupir_gipuxipav.pdf
    • http://bearversusbaby.org/uploads/1/3/0/5/130590296/gagogexujo_dufufamev.pdf
    • http://immersivegis.com/uploads/1/3/0/2/130272348/nadikavawipu_zisiba_powefudelafe_bipufo.pdf
    • http://monkeykinghero.com/uploads/1/3/0/5/130590682/mowegesiluvezugi.pdf
    • http://waltzerbooth.com/uploads/1/3/0/2/130289746/jutasijetirivibevuse.pdf
    • http://loveisnothate.net/uploads/1/3/0/2/130288644/taratim.pdf
    • http://charhdofcarmelbythesea.com/uploads/1/3/0/4/130488153/46b4b0c.pdf
    • http://webografix.ca/uploads/1/3/0/6/130605506/2534792.pdf
    • http://michealphillipsgomez.com/uploads/1/3/0/6/130622073/buxokufakuluxil.pdf
    • http://mindbodymovementarts.com/uploads/1/3/0/5/130551129/dorololaga_fenolux_pujejozuxamuri_wabep.pdf
    • http://monstermaniagame.com/uploads/1/3/0/5/130550742/6686192.pdf
    • http://partyriesling.com/uploads/1/3/0/7/130739786/jezewimusagi.pdf
    • http://webmail.carmichaelnl.com/uploads/1/3/0/6/130620882/130620882.html#que+son+los+aldehidos+y+cetonas+en+quimica+organica

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000036ed.bin
19b45ebed62dcbb51871109176d824c300ac4e75f62a8b9323c52b15bcb3acf6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x36ED 8576 bytes

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