Malicious PDF — malware analysis report

Static analysis result for SHA-256 8eeb9dc7a4d2e45e…

MALICIOUS

PDF

37.8 KB Created: 2020-08-13 22:03:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8d2cbf8b0850d69346e7c08e7637ddb4 SHA-1: 7e6ba25e2863bfcb63476bfdeebf40111049e842 SHA-256: 8eeb9dc7a4d2e45ec110ce1339a64928f9729c2d8fd0ad7168e56a00efa04e1d
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=philips+lumea+comfort+manual'. This URL is presented within the document body, disguised as a link to a Philips Lumea Comfort manual. The PDF also contains a large number of embedded links, many of which point to Shopify domains, suggesting a link farm or SEO manipulation tactic. The primary malicious URL is the most critical IOC.

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=philips+lumea+comfort+manual
    • http://lugin.stonington503.org/uploads/1/3/1/8/131857631/f1961.pdf
    • http://files.dragonflylivestockranch.com/uploads/1/3/0/8/130873820/db79f19368e7c.pdf
    • http://files.powercountyfairandrodeo.com/uploads/1/3/0/8/130873810/dilulekano.pdf
    • http://files.eleanorguerrerocampbell.com/uploads/1/3/0/8/130873794/5370811.pdf
    • http://pinede.fxvideo.com/uploads/1/3/0/8/130874493/xatokomulazi.pdf
    • https://cdn.shopify.com/s/files/1/0431/1587/2423/files/jakudopatumokojaledigaze.pdf
    • https://cdn.shopify.com/s/files/1/0428/5035/3318/files/91430599059.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90209356055.pdf
    • https://cdn.shopify.com/s/files/1/0431/7098/8188/files/dirk_gently_s_holistic_detective_agency_book.pdf
    • https://cdn.shopify.com/s/files/1/0431/7613/2774/files/bikojezemubifawo.pdf
    • https://cdn.shopify.com/s/files/1/0436/0932/5730/files/nukanojasalododudufuma.pdf
    • https://cdn.shopify.com/s/files/1/0431/6554/8705/files/10103437618.pdf
    • https://cdn.shopify.com/s/files/1/0430/6717/9162/files/22629772407.pdf
    • https://cdn.shopify.com/s/files/1/0430/6485/2634/files/glossaire_maritime.pdf
    • https://cdn.shopify.com/s/files/1/0431/8858/4605/files/buck_s_theological_dictionary.pdf
    • https://cdn.shopify.com/s/files/1/0437/5665/0650/files/emergency_care_12th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0437/1785/3335/files/romanza_guitar_tab.pdf
    • https://cdn.shopify.com/s/files/1/0450/7890/4984/files/wamofawazizitunovasojamug.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_off00004ae9.bin
882fbf081a3cf0726b2ef718545e62b2dc24ca2d010d2541a873f8f23f6049fc
pdf-font-stream PDF embedded font (sfnt) at offset 0x4AE9 5140 bytes
font_01_sfnt_off00005c2d.bin
6fd50af6b6078b98df19bea7ea56c5e4548bb5d245af901dde87fef4f446b48e
pdf-font-stream PDF embedded font (sfnt) at offset 0x5C2D 9432 bytes
font_02_sfnt_off00007c07.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378
pdf-font-stream PDF embedded font (sfnt) at offset 0x7C07 4324 bytes