Malicious PDF — malware analysis report

Static analysis result for SHA-256 92325d10438fc821…

MALICIOUS

PDF

30.9 KB Authoring application: Smallpdf Desktop
MD5: 1e82525a885c407f59a32bac3d024ff5 SHA-1: 55e98f832f4d787601b7176f7b33368b191d6632 SHA-256: 92325d10438fc82103dd995cc625967423396711574290d2375fd6d1e158b52a
140 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a common tactic for SEO poisoning and directing users to malicious sites. The heuristic 'SE_CALLBACK_LURE' indicates the document may also contain text prompting users to call a phone number, consistent with callback phishing or tech support scams. 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
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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://nihaoskiescalls.com/uploads/1/3/0/7/130776267/janimomalibapes.pdf
    • http://zipfiber.net/uploads/1/3/0/6/130620267/bukaxak.pdf
    • http://kfeltglobal.info/uploads/1/3/0/7/130776487/moderipemedo.pdf
    • http://bestkidsmentoring.org/uploads/1/3/0/7/130775970/zugadud_bikin.pdf
    • http://mysecurico.com/uploads/1/3/0/4/130435588/tolutekujiv.pdf
    • http://kingslancegames.com/uploads/1/3/0/6/130605001/77deb0d.pdf
    • http://avaliamenu.com/uploads/1/3/0/4/130491079/nibudomuwuzi_safapesafotet_najagukeb.pdf
    • http://gasrewards.org/uploads/1/3/0/5/130589020/mubirovanopo.pdf
    • http://onlinesecuritysolutions.ca/uploads/1/3/0/4/130489248/nuveledudapo.pdf
    • http://www.konkursalesztuka.pl/uploads/1/3/0/7/130776811/muwulabo.pdf
    • http://santabarbaramoneymanagers.com/uploads/1/3/0/7/130740508/0597ef734e.pdf
    • http://equinerxmn.com/uploads/1/3/0/2/130270775/mufidomumutomolipe.pdf
    • http://yourblueprinttravel.voyagerwebsites.com/uploads/1/3/0/7/130739693/130739693.html#financial+accounting+basic+problems+and+solutions+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002103.bin
c264d3376b784bef29add6d07af7b359c91bb44854fa4b7a86baae22ca7f7196
pdf-font-stream PDF embedded font (sfnt) at offset 0x2103 7664 bytes