Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d3338509f19b438…

MALICIOUS

PDF

46.8 KB Created: 2020-08-14 05:13:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5b3e8bf03cd51c3329b7e515fc29504f SHA-1: 6f842c32e341f3c5b1509522013f019e60d77a43 SHA-256: 9d3338509f19b4382d3b829a5326a14f022e29c819a85a827eef3f4972c4695e
120 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to a link farm hosted on Shopify. One of the embedded URLs, 'https://ttraff.com/pify?keyword=ali+g+indahouse++720p', is flagged as a known malicious redirector. This suggests the document is designed to lure users to malicious sites, likely for phishing or to download further malware. No scripts were extracted, limiting the analysis of specific execution behaviors.

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.com/pify?keyword=ali+g+indahouse++720p
    • http://files.sexintheplantworld.com/uploads/1/3/1/6/131606335/pokikidutatafu_tabazov.pdf
    • http://files.rrhscheer.org/uploads/1/3/2/6/132696171/lafekeligiza-korovitewo-madadugoxog-zinuta.pdf
    • http://files.sjrathreekeys.com/uploads/1/3/0/7/130740513/712913.pdf
    • http://files.surcodmalawi.org/uploads/1/3/1/3/131381722/winagidiramiga.pdf
    • https://cdn.shopify.com/s/files/1/0433/9938/1157/files/80581730292.pdf
    • https://cdn.shopify.com/s/files/1/0433/0808/9509/files/vitolunakexumuwozafal.pdf
    • https://cdn.shopify.com/s/files/1/0429/2624/3996/files/cambridge_checkpoint_mathematics_practice_book_8_answers_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/6710/4668/files/fox_racing_logo.pdf
    • https://cdn.shopify.com/s/files/1/0432/0962/1664/files/xakovonafari.pdf
    • https://cdn.shopify.com/s/files/1/0431/5696/3479/files/athlean_x_muscle_building_program.pdf
    • https://cdn.shopify.com/s/files/1/0428/5943/0047/files/beres_hammond_albums.pdf
    • https://cdn.shopify.com/s/files/1/0440/2331/6630/files/widikonudoxutamixip.pdf
    • https://cdn.shopify.com/s/files/1/0437/7070/8125/files/97012536945.pdf
    • https://cdn.shopify.com/s/files/1/0432/5205/6227/files/givewupajefuta.pdf
    • https://cdn.shopify.com/s/files/1/0429/4544/6044/files/dazegaju.pdf
    • https://cdn.shopify.com/s/files/1/0430/0665/6666/files/88274046085.pdf
    • https://cdn.shopify.com/s/files/1/0431/3802/3581/files/coleman_powermate_6250_manual.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000073ff.bin
611fa12e792e081713ba40f4a97a354d2024a428fa0f7c95f46ef1f30b3bdcda
pdf-font-stream PDF embedded font (sfnt) at offset 0x73FF 5468 bytes
font_01_sfnt_off0000869c.bin
86f135f283897e574e04e4718f7efee7aec6e4d9884c6f530b0a48e44f927d4c
pdf-font-stream PDF embedded font (sfnt) at offset 0x869C 12404 bytes