Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9b475fc819ec843…

MALICIOUS

PDF

46.7 KB Created: 2020-08-08 11:29:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 53ecc51abff4e3dd13311572f8e88976 SHA-1: 804abf49f2314c6fdf1fff6727e1b890ff8ffbd1 SHA-256: d9b475fc819ec843f3301a419d2656036fc927466bbb924af5835210b4c6a23b
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links directs to a known malicious redirector at 'https://ttraff.com/pify?keyword=bodyweight+training+program+pdf'. This suggests the document is designed to lead users to malicious infrastructure, likely for further exploitation or credential harvesting. No scripts were extracted, limiting the analysis of direct execution capabilities.

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=bodyweight+training+program+pdf
    • http://sojezuw.whiteoakbenddairygoats.com/uploads/1/3/1/8/131871871/f921c45e56caa2e.pdf
    • http://files.hatchrankings.com/uploads/1/3/2/6/132681194/sozinebigubajil_fuxagovo_zinezo_merunotelozam.pdf
    • http://files.suerundlehughes.com/uploads/1/3/2/8/132815872/2b310227.pdf
    • http://files.radovansebesta.com/uploads/1/3/1/3/131379382/7434261.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/febipak.pdf
    • https://cdn.shopify.com/s/files/1/0433/8122/7672/files/bear_den_leader_guide_2020.pdf
    • https://cdn.shopify.com/s/files/1/0435/4909/8148/files/big_data_analytics_tools_and_technology_for_effective_planning.pdf
    • https://cdn.shopify.com/s/files/1/0430/4535/5674/files/89252346614.pdf
    • https://cdn.shopify.com/s/files/1/0439/9231/8110/files/tawisovudex.pdf
    • https://cdn.shopify.com/s/files/1/0434/6091/9461/files/71213717866.pdf
    • https://cdn.shopify.com/s/files/1/0429/5327/7589/files/82856062131.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kesutuzijakakewinepubad.pdf
    • https://cdn.shopify.com/s/files/1/0437/9561/1805/files/narine.pdf
    • https://cdn.shopify.com/s/files/1/0438/5662/5829/files/dexajamavinabosuboridaw.pdf
    • https://cdn.shopify.com/s/files/1/0427/5650/5756/files/bufeteloxiso.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_off000069b0.bin
7b77230e3f762612d8a32d2d2984e8d9c8e8b46bcaaac5613adce67d16ae1225
pdf-font-stream PDF embedded font (sfnt) at offset 0x69B0 5276 bytes
font_01_sfnt_off00007b8f.bin
638c3254aa9d61ad1622c04b46e6af40611e9ff78780eecc9d9a81c202f0e171
pdf-font-stream PDF embedded font (sfnt) at offset 0x7B8F 10676 bytes
font_02_sfnt_off00009fcb.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378
pdf-font-stream PDF embedded font (sfnt) at offset 0x9FCB 4324 bytes