Malicious PDF — malware analysis report

Static analysis result for SHA-256 c797e7a1232a732e…

MALICIOUS

PDF

45.6 KB Authoring application: SWFTools
MD5: 52cf65b4396b9d4178e5b2c51aecc999 SHA-1: b796ca59a69c539006fa7b63b5a905e59b3a878f SHA-256: c797e7a1232a732e9a7922ad15a87388a70c4ae456dbf6955a358554e5cc5d0b
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 links to external PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. This technique is often used for SEO manipulation or to distribute malicious content. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent. No scripts were extracted from this sample.

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://pastmaster.org/uploads/1/3/0/3/130379319/sapogijavoze.pdf
    • http://laurelbustamante.weebly.com/uploads/1/3/0/6/130639173/raxamure.pdf
    • http://ramblinghouseshow.com/uploads/1/3/0/7/130776027/7837166.pdf
    • http://juxi.03shopppp.fun/uploads/2020/01/28/piferego.pdf
    • http://fix.fazenda2.ru/uploads/2020/01/29/gikewerovoboxoka.pdf
    • http://petervuphotography.com/uploads/1/3/0/2/130287472/561aee40ae9.pdf
    • https://vaxoforegojus.weebly.com/uploads/1/3/0/3/130313194/vunapiputufurobo.pdf
    • http://kurzyhs.info/uploads/1/3/0/2/130288549/bobupobubinixo.pdf
    • http://bleached.net/uploads/1/3/0/5/130551585/dazirizesa-vefiselab-kogijeloxu.pdf
    • http://tungemmy.store/uploads/1/3/0/2/130292014/rezarerinexalu_nagadu.pdf
    • http://tempeacademyptso.org/uploads/1/3/0/7/130740113/24658.pdf
    • http://metroprointeriors.com/uploads/1/3/0/4/130476462/wigamabezuf-laxubuxib.pdf
    • http://meshayla.com/uploads/1/3/0/5/130539774/130539774.html#ias+baba+editorial+answer+writing

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013a5.bin
ff4c5a28c942d20ccdf672cb3ff55e5b5798edd3d1380256280e3c132e14d0b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13A5 9220 bytes

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