Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7db470d5666888f…

MALICIOUS

PDF

34.0 KB Authoring application: OpenOffice.org
MD5: bfd52b53063e195fca07d9fdecf10d88 SHA-1: 8c12a4027c4239939b8d59e81f7f0fbaaf3bda32 SHA-256: e7db470d5666888f60f8fc76ae06486def247eb0b0b00a82919068828d5f7300
128 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, identified by the PDF_SEO_LINK_FARM heuristic, which is indicative of a link farm or phishing campaign. The document body, though partially corrupted, suggests a lure related to service manuals. The ClamAV detection further supports its malicious nature, classifying it as Pdf.Phishing.TtraffRobotInstall. The primary attack pattern involves directing users to a network of malicious PDF files hosted on various domains.

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 https://supanusug.weebly.com/uploads/1/3/0/4/130483132/8171883.pdf
    • http://gypsyschindler.com/uploads/1/3/0/5/130539702/e9656f1cb0.pdf
    • http://branchingoutadvocates.com/uploads/1/3/0/6/130603772/nukewuwukopujelages.pdf
    • http://wagepem.indasoft.online/uploads/2020/01/28/028aad1.pdf
    • http://hybrid-cl.com/uploads/1/3/0/2/130289760/jalipejefid.pdf
    • http://restaurantatburdicks.com/uploads/1/3/0/5/130539113/dokusove.pdf
    • https://nulotepolar.weebly.com/uploads/1/3/0/3/130313169/6200042.pdf
    • http://5404frc.weebly.com/uploads/1/3/0/2/130289611/4c1c03889af.pdf
    • http://cathyevansrealtor.com/uploads/1/3/0/6/130622066/gunividebemafi.pdf
    • http://wellnesslifestylelounge.com/uploads/1/3/0/5/130540304/nukepazexuxilunenume.pdf
    • http://eaglehealthinsurance.com/uploads/1/3/0/5/130588360/4379248.pdf
    • http://kylaconner.com/uploads/1/3/0/2/130289386/130289386.html#service+manual+backhoe+loader+jcb+3cx

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012a7.bin
9e3a13bebcd74e4a1dbb8128946ae137562421aff51f6c6aac9e53e31e546132		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12A7 7952 bytes

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