Malicious PDF — malware analysis report

Static analysis result for SHA-256 44476cbffead4879…

MALICIOUS

PDF

34.2 KB Authoring application: pdf-parser
MD5: 954334ff0b875b172fc15c93ea6a4ecc SHA-1: c567ed4e1d30fc0706653f1e31351207cf6475b4 SHA-256: 44476cbffead48790c127380b5ebbaf9d5be2ee6a25d2fb8b8eefbeb9b9833e5
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to other PDF files. This is characteristic of a phishing or malware distribution campaign. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports this assessment. The embedded URLs are likely used to redirect users to malicious content.

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://webmail.universalinteriorsllc.com/uploads/1/3/0/5/130551641/166941.pdf
    • http://cspratt.net/uploads/1/3/0/6/130604145/tonupolibaminele.pdf
    • http://sharlenevelez.net/uploads/1/3/0/5/130550901/4bab6cb591ef1c.pdf
    • http://www.seed2bowlfarm.com/uploads/1/3/0/6/130604981/latufubumaja.pdf
    • http://mindfulmoves.net/uploads/1/3/0/5/130589274/lodotilarawise.pdf
    • http://nworparenting.com/uploads/1/3/0/6/130639995/9117814.pdf
    • http://nazirene.net/uploads/1/3/0/6/130621593/rigijewigasaruf-wunijipu.pdf
    • http://yesyourexpandingspirit.com/uploads/1/3/0/6/130639486/74315f26ac.pdf
    • http://disenocad.com/uploads/1/3/0/7/130739732/dokaxuseg.pdf
    • http://arsmist.org/uploads/1/3/0/6/130639347/pavotanuxetot.pdf
    • http://meattaffy.org/uploads/1/3/0/2/130289563/lomarus.pdf
    • http://codytyson.com/uploads/1/3/0/4/130483741/916c2b4902.pdf
    • http://jenniferkelleypottery.com/uploads/1/3/0/7/130739539/mitezugaw.pdf
    • http://doublebideuchre.org/uploads/1/3/0/5/130550857/dc7991.pdf
    • http://richardsnashall.net/uploads/1/3/0/6/130621838/xikuliwukago.pdf
    • http://lookatmeswimschool.com/uploads/1/3/0/5/130551692/gulefovo_bupugekuwijum_zavud_zilupu.pdf
    • http://dartvalleyworkshops.co.uk/uploads/1/3/0/6/130603836/c1b790220d00.pdf
    • http://bergen-city.com/uploads/1/3/0/5/130546040/numozolapi.pdf
    • http://quantumspirit.us/uploads/1/3/0/5/130543671/9273057.pdf
    • http://northlaboratory.com/uploads/1/3/0/9/130969473/7499293.pdf
    • http://saranlpcoach.com/uploads/1/3/0/2/130289620/130289620.html#aqa+gcse+biology+past+papers+triple+science
    • http://nazirene.net/uploads/1/3/0/6/130621593/rigijewigasaru

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000264f.bin
d2129d8d97035ba55b174acaea54ed69b3c31120ecc53305411600f6f7283262		 pdf-font-stream PDF embedded font (sfnt) at offset 0x264F 7776 bytes

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