Malicious PDF — malware analysis report

Static analysis result for SHA-256 55209e34843871a0…

MALICIOUS

PDF

40.7 KB Authoring application: QPDF
MD5: 8f726bbb306a3b9e5fad4c18b5bf7c78 SHA-1: 00f59db865137ebbbd055e58c1e5471735952615 SHA-256: 55209e34843871a096144d56d93b2498558ba6e97e3eb14f30f31d28988bd2bd
120 Risk Score

Malware Insights

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

The PDF file was detected as malware by ClamAV, specifically 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. Static analysis revealed a large number of embedded external links, indicative of a link farm or phishing lure. The document body contains garbled text and some URLs, further supporting the phishing or SEO manipulation attack pattern. 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://ayurvedicprinciples.com/uploads/1/3/0/3/130313069/7378686.pdf
    • http://bgooddesignllc.com/uploads/1/3/0/2/130272979/297639.pdf
    • http://dynamicsymmetryart.com/uploads/1/3/0/6/130621385/buvefutane.pdf
    • http://engineeringally.com/uploads/1/3/0/2/130271049/fuvugep_libitin.pdf
    • http://adeletreasures.com/uploads/1/3/0/6/130603941/7024148.pdf
    • http://nicholascomm.com/uploads/1/3/0/5/130539583/zezivagog_ripanarenu_mewori.pdf
    • http://generosity.website/uploads/1/3/0/2/130271226/fipumunijume_kunolojedu_kobupakiketebal_wipejudul.pdf
    • http://dannyderrick.com/uploads/1/3/0/6/130620819/4d075c13.pdf
    • http://mypropertyquestion.com/uploads/1/3/0/4/130477146/jodalotogavaz.pdf
    • http://pcelpc.org/uploads/1/3/0/5/130538817/9114773.pdf
    • https://bojukefezome.weebly.com/uploads/1/3/0/5/130551764/dezimomew_wibufoleme_giwakuforitago_nifov.pdf
    • http://carpetcleancary.com/uploads/1/3/0/7/130775221/130775221.html#firefox+47++for+windows+7

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001319.bin
55c4fb8fe911feac7fd1b891fe5ada07dd09c2b749068b66cb821d2a0d521e0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1319 8568 bytes

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