Malicious PDF — malware analysis report

Static analysis result for SHA-256 d129fa90a9abf7d5…

MALICIOUS

PDF

37.3 KB Authoring application: PDFBox
MD5: 4c97ad8c78e8a8b12f4ed3e4ee6f813d SHA-1: b954e70d08ba3482fe8ea54fb02ae55f2021b701 SHA-256: d129fa90a9abf7d516e56952bf072853e61f08028644cc523361a94134fce5a2
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. This suggests the document is designed to manipulate search engine results or redirect users to potentially malicious content. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing or traffic-driving intent. The document body itself contains many of these URLs, reinforcing the link farm attack pattern.

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://noxe.alkovozim.com/uploads/2020/01/27/7974998.pdf
    • http://thecitypainter.com/uploads/1/3/0/3/130324236/litefude_jakupavanetab.pdf
    • http://hotlatinremix.com/uploads/1/3/0/2/130270793/c88dd3.pdf
    • http://oastexas.com/uploads/1/3/0/4/130483477/9ca454.pdf
    • http://msmaley.com/uploads/1/3/0/5/130588712/1826a3f1.pdf
    • https://xitapejove.weebly.com/uploads/1/3/0/2/130289457/labulam.pdf
    • https://radexetagu.weebly.com/uploads/1/3/0/4/130476720/tewivufatiguzex-nakufapususok-zitomewulob.pdf
    • http://420productionsok.com/uploads/1/3/0/6/130621721/5cfbc4529eba4.pdf
    • https://mirenevurulegaf.weebly.com/uploads/1/3/0/4/130493143/6814629.pdf
    • http://susafis.hlfxdata.online/uploads/2020/01/28/kixizuxova.pdf
    • http://pianomethod.info/uploads/1/3/0/6/130621248/9526208.pdf
    • http://seg.kuhni-msc07.icu/uploads/2020/01/29/xasebev.pdf
    • http://modestomasonry.com/uploads/1/3/0/4/130488839/wamagasej.pdf
    • http://crowlitmag.com/uploads/1/3/0/3/130379126/2cd0f24.pdf
    • http://crrc.website/uploads/1/3/0/6/130639173/294e55262e7b59.pdf
    • http://mountaincounseling.weebly.com/uploads/1/3/0/2/130289563/843656.pdf
    • http://rptservices.org/uploads/1/3/0/6/130621720/pizoxagajawuzan.pdf
    • http://domimel.com/uploads/1/3/0/4/130476804/9245935.pdf
    • http://teaspoonstotablespoons.org/uploads/1/3/0/4/130491319/7994723.pdf
    • http://bartolomeilaw.com/uploads/1/3/0/5/130551299/130551299.html#denver+broncos+coloring+sheets

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000014f1.bin
a6019e77665168d089f945b7b5df741af484dd147bab235ab930ad1f9122bf0b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14F1 7184 bytes

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