Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e3e5eb9a6ea5429…

MALICIOUS

PDF

46.5 KB Created: 2020-08-10 21:58:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8129c348dc6b5d847c24a8d1875759f3 SHA-1: 47af329b4db0427a8250d3bf2dbb59f349528f76 SHA-256: 1e3e5eb9a6ea5429f52bfd381a9c611fcc30105c19205ed5d558273a4c347259
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, many of which point to a redirector service. The document body text, though garbled, includes a phrase suggesting a tutorial, which is likely a lure to encourage clicks. The primary malicious link identified is https://ttraff.cc/pify?keyword=ab+initio+etl+tool+tutorial+for+beginners+pdf, which is flagged as malicious. The presence of numerous links to external PDFs suggests a link farm or SEO poisoning attempt to drive traffic.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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 https://ttraff.cc/pify?keyword=ab+initio+etl+tool+tutorial+for+beginners+pdf
    • http://files.thesupcloud.com/uploads/1/3/1/4/131437503/zuvajinarem.pdf
    • http://files.thepottershousesandiego.com/uploads/1/3/2/6/132681827/8075934.pdf
    • http://sumobavak.garfieldchristianfellowship.com/uploads/1/3/1/0/131069839/zusowegama-rigufa-firudojazof-gixurisolo.pdf
    • http://files.justrightpa.com/uploads/1/3/1/3/131379846/miwekipenezofusuno.pdf
    • http://files.beyondthelearningcurve.com/uploads/1/3/1/0/131070458/jetupabamem.pdf
    • https://cdn.shopify.com/s/files/1/0430/2327/0042/files/todikonu.pdf
    • https://cdn.shopify.com/s/files/1/0433/5396/4712/files/28299244285.pdf
    • https://cdn.shopify.com/s/files/1/0436/9124/5733/files/beats_mixr_best_buy.pdf
    • https://cdn.shopify.com/s/files/1/0432/0346/1283/files/wagezetudorerexomepare.pdf
    • https://cdn.shopify.com/s/files/1/0435/1646/1211/files/jusinor.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97428896976.pdf
    • https://cdn.shopify.com/s/files/1/0435/6734/9923/files/8669965313.pdf
    • https://cdn.shopify.com/s/files/1/0433/9469/5329/files/puzimebiwotomutis.pdf
    • https://cdn.shopify.com/s/files/1/0429/2666/9987/files/xudubobatir.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66916333827.pdf
    • https://cdn.shopify.com/s/files/1/0430/4620/7650/files/74860609761.pdf
    • https://cdn.shopify.com/s/files/1/0435/0941/6095/files/rc_model_airplane_design.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000690e.bin
dd683eaa4c684a0e67e3b34311a490bb3ecae950d40d3aff0fe03661a6eb023b
pdf-font-stream PDF embedded font (sfnt) at offset 0x690E 5220 bytes
font_01_sfnt_off00007acc.bin
4fb042c8302ece6f995d61e4fcbbac5dac07c722e2d538f8ede3f865ac6b7c59
pdf-font-stream PDF embedded font (sfnt) at offset 0x7ACC 10444 bytes
font_02_sfnt_off00009e77.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3
pdf-font-stream PDF embedded font (sfnt) at offset 0x9E77 4324 bytes