Malicious PDF — malware analysis report

Static analysis result for SHA-256 d62ce4b90121b206…

MALICIOUS

PDF

44.9 KB Created: 2020-08-16 17:40:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 47c52c7498fcc9573d5e5020886d1751 SHA-1: 55c5fcbcd5100ad165d8126fafe2323f2a4a89d1 SHA-256: d62ce4b90121b2060109de312e0f45f30c50a5b70e95bfa211c9d5ca4eb9844c
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=bandeya+song+video+free', suggesting a lure for users to click through to malicious content. The presence of a link farm heuristic further indicates an attempt to distribute malicious links.

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.ru/pify?keyword=bandeya+song+video+free
    • http://files.feshooterssupply.com/uploads/1/3/0/7/130739616/lafopufimirusu_poguzenafa_xibiselowakek.pdf
    • http://files.vistosopointehoa.org/uploads/1/3/1/3/131380845/1944314.pdf
    • http://mofigexi.321smile.org/uploads/1/3/0/7/130775403/bekewutakime_dokib.pdf
    • http://zozet.piatocairns.com/uploads/1/3/0/8/130873791/2937439.pdf
    • https://cdn.shopify.com/s/files/1/0435/2029/5064/files/22663209868.pdf
    • https://cdn.shopify.com/s/files/1/0434/1740/3559/files/zalirilijifiluwakemobujer.pdf
    • https://cdn.shopify.com/s/files/1/0433/9499/0247/files/62349456292.pdf
    • https://cdn.shopify.com/s/files/1/0431/6954/6395/files/goguroxevif.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27150836515.pdf
    • https://cdn.shopify.com/s/files/1/0440/3894/6981/files/telugu_full_screen_video_songs.pdf
    • https://cdn.shopify.com/s/files/1/0437/4803/2663/files/comparative_adjectives_and_adverbs_exercises.pdf
    • https://cdn.shopify.com/s/files/1/0452/1653/0589/files/business_plan_outline.pdf
    • https://cdn.shopify.com/s/files/1/0437/6510/4791/files/74443350320.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000464e.bin
bc3198d620d423d7e1aaca2a40412e7f1a220052e8f7073293f6f0f191ccbe73		 pdf-font-stream PDF embedded font (sfnt) at offset 0x464E 4960 bytes
font_01_sfnt_off00005744.bin
f9c928b0a939e22271e60ea0557b39b6d388f10b25c562fbacc759acd202da45		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5744 9864 bytes
font_02_sfnt_off00007955.bin
1df41416ece054d3cca32f135e48dc95f4d9c8a2bff4ba4edba1d14e21aabef6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7955 18776 bytes
font_03_sfnt_off000096bc.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x96BC 4324 bytes

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