Malicious PDF — malware analysis report

Static analysis result for SHA-256 f690dc4be38c1055…

MALICIOUS

PDF

38.3 KB Authoring application: GIMP First seen: 2026-05-08
MD5: 5f549ac01a2893ac21adf9ee4f006b64 SHA-1: 7cb8a719d775b958a3e41eb27350d563b6548975 SHA-256: f690dc4be38c1055332bb629f80e5a4cd4d495503b5e10587612c5bc6faa6ff8
152 Risk Score

Malware Insights

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

The PDF file exhibits a critical heuristic firing for a PDF SEO link farm, containing numerous embedded links to external PDF files. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious classification. The primary attack pattern involves redirecting users through these links, likely to phishing sites or to download further malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://fundraising-career.com/uploads/1/3/0/5/130588789/4832671.pdf In PDF document text
    • http://hughheffner.net/uploads/1/3/0/5/130590561/a04446.pdfIn PDF document text
    • http://mawitechsupport.com/uploads/1/3/0/8/130874612/5129346.pdfIn PDF document text
    • http://ferrotrend.sk/uploads/1/3/0/3/130313054/cee1c51.pdfIn PDF document text
    • http://pkflash.org/uploads/1/3/0/7/130738569/6719235.pdfIn PDF document text
    • http://adoptme.info/uploads/1/3/0/7/130739686/fitovizirafefa-runuderewutabof.pdfIn PDF document text
    • http://nchep2017.org/uploads/1/3/0/4/130483295/vatisagiz.pdfIn PDF document text
    • http://ontherolljoplin.com/uploads/1/3/0/5/130546803/zatefewuruwirurifi.pdfIn PDF document text
    • http://rusticscooterdesigns.com/uploads/1/3/0/5/130546880/kupinase_topogi.pdfIn PDF document text
    • http://tierisch-tragbar.de/uploads/1/3/0/4/130483912/towamelodegokugat.pdfIn PDF document text
    • http://allurlife.com/uploads/1/3/0/7/130775169/566bcaea45c.pdfIn PDF document text
    • http://nutritionrxllc.com/uploads/1/3/0/5/130551925/61858fa.pdfIn PDF document text
    • http://copperpotcreative.com/uploads/1/3/0/5/130588603/lizirinuxubam.pdfIn PDF document text
    • http://mirasana.com/uploads/1/3/0/5/130547024/7231815.pdfIn PDF document text
    • http://cbi-international.com/uploads/1/3/0/4/130483806/faf6a2e3f9d.pdfIn PDF document text
    • http://f1fantasyseason.com/uploads/1/3/0/6/130639784/3171756.pdfIn PDF document text
    • http://quotezooky.com/uploads/1/3/0/5/130538996/aeb2eba.pdfIn PDF document text
    • http://www.redrockfencebuilders.com/uploads/1/3/0/5/130544754/130544754.html#chamonix+piste+map+2019In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000022e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x22E0 16036 bytes
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63
font_01_sfnt_off000039fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39FA 7744 bytes
SHA-256: f9eb5e2c8d4f040e87d1909a6440af676b30b6ff91c22ebb1484a958c8746e64