Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f127d17e854611f…

MALICIOUS

PDF

46.7 KB Created: 2020-08-18 20:40:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8fa8b4b576e35820c5d954f76d9daab1 SHA-1: a5c076f85238fd5a0be39fea3dbe79ba5982921c SHA-256: 7f127d17e854611fb34e2bcdec5bbced018b0fe97ca4ab28d408e1714aecebf5
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, 'https://ttraff.com/pify?keyword=ararara+marathi+song+mp4', is identified as a malicious redirector. This suggests the document's purpose is to direct users to malicious infrastructure, likely for further exploitation or phishing. 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=ararara+marathi+song+mp4
    • http://xusuvub.debbyhaskardstrauss.com/uploads/1/3/1/4/131410812/5b316f0.pdf
    • http://files.spmauzyandassociates.com/uploads/1/3/2/6/132695829/f94b72cc.pdf
    • http://files.xmastrees.org.uk/uploads/1/3/1/4/131407424/f2bbaa892a.pdf
    • http://files.superthinkmedia.com/uploads/1/3/0/7/130775429/3079490.pdf
    • https://cdn.shopify.com/s/files/1/0432/2865/9874/files/36793173446.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gaxasukazojolivuf.pdf
    • https://cdn.shopify.com/s/files/1/0437/2935/4917/files/pengertian_model_addie.pdf
    • https://cdn.shopify.com/s/files/1/0447/9336/4637/files/vegetarian_ketogenic_diet_food_list.pdf
    • https://cdn.shopify.com/s/files/1/0433/4000/5541/files/bits_and_bytes_ace_academy_electrical.pdf
    • https://cdn.shopify.com/s/files/1/0436/2190/8640/files/96300896016.pdf
    • https://cdn.shopify.com/s/files/1/0430/6088/7705/files/92846422330.pdf
    • https://cdn.shopify.com/s/files/1/0436/1833/6925/files/kpmg_email_address_format_uk.pdf
    • https://cdn.shopify.com/s/files/1/0427/6423/9014/files/free_bartop_arcade_cabinet_plans.pdf
    • https://cdn.shopify.com/s/files/1/0430/5960/9753/files/61628313287.pdf
    • https://cdn.shopify.com/s/files/1/0433/3663/0422/files/vivamikibunuw.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gegexovikorojirokelaxedu.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_off00004fff.bin
9fe02be055b25a6ef7a553650468359777719db7195afae7bcb247e1b87ad88f
pdf-font-stream PDF embedded font (sfnt) at offset 0x4FFF 5280 bytes
font_01_sfnt_off000061d3.bin
73c9c0c4a7270e3e186c1e050843eb99344e2a5ada0ec378e790ef903eef9164
pdf-font-stream PDF embedded font (sfnt) at offset 0x61D3 14096 bytes
font_02_sfnt_off00008ece.bin
001d00114279cda904ec87ee5caf81ece5266ef333c342f0ca5ce216f4908131
pdf-font-stream PDF embedded font (sfnt) at offset 0x8ECE 18776 bytes