Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2dfc1463e45ace6…

MALICIOUS

PDF

73.3 KB Created: 2020-08-20 13:10:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 15718421ec0d1afa862c2b523ed6133d SHA-1: 572a3bc5440290b160c6c9f98f2ca5fd242a348f SHA-256: e2dfc1463e45ace6986f41fc8665367c5ecacaba6a94c7d630abf3ffc5079ecd
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits a PDF link farm heuristic, with numerous links hosted on 'cdn.shopify.com'. The document body, though heavily obfuscated, contains the same URL found in the redirector heuristic, suggesting it's the primary lure. The presence of a link farm indicates an attempt to generate traffic or improve search engine ranking for malicious content.

Heuristics 4

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=immigration+thailand+90+days+report+online
    • http://files.shoplockettlashes.com/uploads/1/3/0/7/130739116/3332840.pdf
    • http://files.traillandassociates.com/uploads/1/3/1/6/131637177/xijejexijob-bilevokaposo.pdf
    • http://files.rautoulab.com/uploads/1/3/1/3/131398244/fc9cefb108d0e27.pdf
    • https://cdn.shopify.com/s/files/1/0433/1238/2116/files/adventure_rank_quest_guide_ragnarok_mobile.pdf
    • https://cdn.shopify.com/s/files/1/0430/7428/9813/files/gifisefitazofexikabuz.pdf
    • https://cdn.shopify.com/s/files/1/0430/5456/3477/files/12491989544.pdf
    • https://cdn.shopify.com/s/files/1/0434/4286/4289/files/45674918160.pdf
    • https://cdn.shopify.com/s/files/1/0432/1466/7934/files/vovonopi.pdf
    • https://cdn.shopify.com/s/files/1/0434/4774/6721/files/18465078857.pdf
    • https://cdn.shopify.com/s/files/1/0431/8560/2721/files/vutaz.pdf
    • https://cdn.shopify.com/s/files/1/0438/7163/3563/files/nonfiction_reading_comprehension_grade_6.pdf
    • https://cdn.shopify.com/s/files/1/0437/5638/8510/files/wixapibuvagokilubosagud.pdf
    • https://cdn.shopify.com/s/files/1/0446/9332/3930/files/baeyer_villiger_oxidation.pdf
    • https://cdn.shopify.com/s/files/1/0432/6139/5102/files/vodowavolaze.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_off0000c7fa.bin
77bc8a5d3dc1a90231fd09c162de6435d52f5baa496502bc3b32d18a7e338875
pdf-font-stream PDF embedded font (sfnt) at offset 0xC7FA 5712 bytes
font_01_sfnt_off0000db22.bin
6d9bd313134938d3b1ff90f0df46a52c2996980e108c6f309c51a708a05bd55f
pdf-font-stream PDF embedded font (sfnt) at offset 0xDB22 7956 bytes
font_02_sfnt_off0000f137.bin
abc6ee5707a7e7b38f68aadd8235592aa99f7b6d84104552dc05145f1a75c1a3
pdf-font-stream PDF embedded font (sfnt) at offset 0xF137 11276 bytes