Malicious PDF — malware analysis report

Static analysis result for SHA-256 33dd2c552a26a2c0…

MALICIOUS

PDF

40.3 KB Created: 2020-08-21 05:13:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3acdbf0c71a4f3c03ca9dd29efec83cb SHA-1: afc8c4dd52e83b31498dd3c8765f3c0c9e61a54c SHA-256: 33dd2c552a26a2c08f195b9eb613b68a0940c20526a1668207959c1c17857688
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=i+am+alfonso+jones+pdf'. Additionally, the document exhibits characteristics of a PDF link farm, embedding numerous external links, many of which are hosted on potentially suspicious domains. The presence of these links suggests an attempt to direct users to malicious content or phishing sites.

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=i+am+alfonso+jones+pdf
    • http://gepezan.ourfathersfarmusa.com/uploads/1/3/1/4/131437987/667d9e6b.pdf
    • http://pebenubu.soapforyoursoul.com/uploads/1/3/1/3/131383258/3426010.pdf
    • http://files.drvallawalker.com/uploads/1/3/0/8/130874180/nugugupanivam-jibobuzem.pdf
    • http://tinosezir.trimstechnology.com/uploads/1/3/0/7/130738629/pumidamizubugidipuba.pdf
    • http://files.madamejohanna.com/uploads/1/3/1/4/131453065/widaxa.pdf
    • https://cdn.shopify.com/s/files/1/0434/3896/4903/files/honda_gcv160_service_manual.pdf
    • https://cdn.shopify.com/s/files/1/0446/1314/0643/files/pom_xml_example.pdf
    • https://cdn.shopify.com/s/files/1/0440/2541/3782/files/plumbing_fixtures_installation_guide.pdf
    • https://cdn.shopify.com/s/files/1/0431/4431/5029/files/wuvinogugemujim.pdf
    • https://cdn.shopify.com/s/files/1/0432/6352/5026/files/gazebo_plans.pdf
    • https://cdn.shopify.com/s/files/1/0431/4277/4935/files/repugizumajefi.pdf
    • https://cdn.shopify.com/s/files/1/0434/2382/6085/files/73240595133.pdf
    • https://cdn.shopify.com/s/files/1/0440/5723/1525/files/sejarah_karate_di_indonesia.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rerotapok.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000615b.bin
247a719c9c365009ea9142aeea5c01ff5c3516008aeddbfff35039f5cd48e21a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x615B 5104 bytes
font_01_sfnt_off000072ab.bin
e7a3049d0153845df89b7b0fb4cc910726da17c34dfe4a0dbb9509bf0deacd63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72AB 9956 bytes

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