Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ce18698f2b39b20…

MALICIOUS

PDF

47.0 KB Authoring application: QPDF
MD5: 434ad2fa600c2589f382fb66ea6a573d SHA-1: 51b5411b8ce9d076ec68156ff15ac4b02cdd991b SHA-256: 3ce18698f2b39b20bdd752b2ca31add7927b9b4a49745361dfc5577298f683ec
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF files, a technique commonly used for SEO poisoning and phishing. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. The embedded URLs are the primary indicators of compromise, directing users to potentially 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://amega2u.com/uploads/1/3/0/6/130620897/senifenigajokuj.pdf
    • http://firstholidaytours.com/uploads/1/3/0/6/130604731/disuzideragigi-rekan-narosugubakujo-puvof.pdf
    • http://mooreinnovation.org/uploads/1/3/0/5/130589057/rikakuni.pdf
    • http://milieu-art.com/uploads/1/3/0/5/130551214/6bd931.pdf
    • http://www.anastasiafitness.co/uploads/1/3/0/2/130273842/e2fe56.pdf
    • http://securite-identification.com/uploads/1/3/0/5/130543093/fb1ff20bd.pdf
    • http://stakemywallets.com/uploads/1/3/0/8/130814611/7443a2.pdf
    • http://chrisbrooksarchitecture.com/uploads/1/3/0/4/130476412/vewetubex.pdf
    • http://thekassadiecollection.com/uploads/1/3/0/4/130435820/sulasekorelataf-duxuvisuti-zufelem-jexef.pdf
    • http://joyceolsonessentials.com/uploads/1/3/0/6/130620956/difab.pdf
    • http://www.mustardconstruction.org/uploads/1/3/0/6/130603985/regisuwepenozatuzul.pdf
    • http://www.allkeygame.com/uploads/1/3/0/5/130545895/mukokanibizopib.pdf
    • http://jiebaoyulechengbeiyongwangzhi.br3h.com/uploads/1/3/0/5/130588424/130588424.html#adjective+clause+with+preposition+examples

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000498e.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x498E 16036 bytes
font_01_sfnt_off000060b3.bin
b08c3f750e03d937e679d8a5e4224cbc9377edfa78c89442a1893c6958098e22		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60B3 7808 bytes

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