Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d47ea46e2b1c31a…

MALICIOUS

PDF

46.0 KB Authoring application: Smallpdf Desktop
MD5: 9d5ffefa6c015dc835ecbcaf46ccedc9 SHA-1: 1fb45ca60f09564014dffb6dfaaf1e7cc2df4efd SHA-256: 3d47ea46e2b1c31adc77db38fa87fff4551c040c6e5fa76d39fa094a596ade84
128 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, a technique often used for SEO poisoning or to redirect users to malicious sites. The heuristic 'SE_URGENCY_LURE' indicates the document likely contains language designed to prompt immediate action. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. No scripts were extracted from this sample.

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
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://all-things-autism.com/uploads/1/3/0/6/130604192/fubasagawaguwiwuto.pdf
    • http://beru-credit.ru/uploads/2020/01/28/wotesovilonimegol.pdf
    • http://2501fulton.com/uploads/1/3/0/7/130739763/tajilomuxumamojaraz.pdf
    • http://3dactivesports.com/uploads/1/3/0/5/130539654/cdb02f30.pdf
    • http://canyonhillspynesprofessional.com/uploads/1/3/0/4/130435726/taserogu-xiwugatirukajo-kutedipo.pdf
    • http://solidrocklouisville.com/uploads/1/3/0/7/130739268/e66d816f8baa963.pdf
    • http://dossys.com/uploads/1/3/0/3/130313494/7834708.pdf
    • http://hubengineers.net/uploads/1/3/0/7/130776688/riraki.pdf
    • http://msgland.com/uploads/1/3/0/2/130288002/551b8b.pdf
    • http://poolpatioscreenrepairorlando.com/uploads/1/3/0/7/130775744/130775744.html#streptococcus+pyogenes+rheumatic+heart+disease

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001250.bin
30079f0fa4cb61ea8da2546a467355bc386a9be8b1a0b3de6ce5595e6716a235		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1250 8336 bytes

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