Malicious PDF — malware analysis report

Static analysis result for SHA-256 a851fdc46d4d0afe…

MALICIOUS

PDF

46.9 KB Created: 2020-08-26 00:28:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 705b5b686577a0ebc768a91c79a3262f SHA-1: 2caa1d990ce815c9b2ca44355265156051439b2e SHA-256: a851fdc46d4d0afe3549f96f346846bc34a6da0e921d564b071ccaa3153ad8a7
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF document contains a lure related to a 'Bella's lullaby piano tutorial' and embeds numerous external links. One of these links, 'https://ttraff.com/pify?keyword=bella%252527+s+lullaby+piano+tutorial', is identified as a malicious redirector. The document's structure and the presence of a link farm suggest a phishing or redirection attack aimed at leading the user to malicious content.

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=bella%252527+s+lullaby+piano+tutorial
    • http://files.shopqal.com/uploads/1/3/1/4/131455475/rogaj-gipateduxufux-sopadatidodom.pdf
    • http://piziruli.sethallenyoungphd.com/uploads/1/3/2/8/132814718/9912070.pdf
    • http://mimorir.parkgatetours.com/uploads/1/3/1/4/131454440/2243a65535.pdf
    • http://vulub.pleis.us/uploads/1/3/1/4/131438304/guvozamuli_jupamusuzese_puwexudijarew_gozikajarox.pdf
    • http://files.sarahfielkeblockofmonth.com/uploads/1/3/2/7/132710683/disiketorisapij_mawesusos_lidubo_velad.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nuruge.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97697777452.pdf
    • https://cdn.shopify.com/s/files/1/0430/2556/3799/files/16867611109.pdf
    • https://cdn.shopify.com/s/files/1/0431/2324/5216/files/bacteria_clostridium_botulinum.pdf
    • https://cdn.shopify.com/s/files/1/0431/2013/2257/files/11139059516.pdf
    • https://cdn.shopify.com/s/files/1/0431/1682/2692/files/barakhadi_marathi_to_english_download.pdf
    • https://cdn.shopify.com/s/files/1/0462/7736/1813/files/13813481086.pdf
    • https://cdn.shopify.com/s/files/1/0429/6579/4965/files/79511776197.pdf
    • https://cdn.shopify.com/s/files/1/0434/2589/0466/files/antariksham_9000_telugu_movie.pdf
    • https://cdn.shopify.com/s/files/1/0431/3343/6055/files/definition_of_language_development.pdf
    • https://cdn.shopify.com/s/files/1/0427/7298/8071/files/18925818033.pdf
    • https://cdn.shopify.com/s/files/1/0432/4130/8319/files/carcinoma_basocelular_dermatologia.pdf
    • https://cdn.shopify.com/s/files/1/0429/0733/6857/files/carsguide_mazda_3_maxx_sport.pdf
    • https://cdn.shopify.com/s/files/1/0431/9959/4656/files/kefufomosoromulepigowemiz.pdf
    • https://cdn.shopify.com/s/files/1/0454/2785/1422/files/jugifax.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/
    • https://cdn.shopify.com/s/files/1/0431/1682/2692/files

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000063fc.bin
f96022f7c556e19e8796d4920b0a51b48f3568734df8cb22ab4f95343557bfca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63FC 5140 bytes
font_01_sfnt_off00007580.bin
6d2a3a16cc464ce72cf05976c7f96a31c93af2202e0dc760c37a694345e222ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7580 1800 bytes
font_02_sfnt_off00007e10.bin
9a80b610a4b94195529893023e961eaec87b01fcd144e4f5a232178a0d922f0a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E10 15324 bytes

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