Malicious PDF — malware analysis report

Static analysis result for SHA-256 420c0183633c3cde…

MALICIOUS

PDF

44.7 KB Created: 2020-09-19 17:38:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 52a4e71621cd25211bcbcb8e0d5b534e SHA-1: b4d93d2565a214c5722c3e18a370f2cca410976c SHA-256: 420c0183633c3cdee221a40016aa950ef0f33ed88b8fac891fd612012baaf71f
160 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to a URL that is part of an advance-fee scam lure. The document body, though partially corrupted, contains text related to 'ipo chart' and includes numerous embedded URLs, many of which are hosted on Shopify and appear to be part of a link farm. The primary malicious URL is ttraff.me, which is flagged as a known malicious redirector.

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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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.me/wix?keyword=how+to+make+a+ipo+chart
    • http://kabak.chrisball-student.com/uploads/1/3/1/0/131070894/1672640.pdf
    • http://files.rcmissouri.com/uploads/1/3/1/1/131164250/misavoxolow.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nasidobedibugamis.pdf
    • https://cdn.shopify.com/s/files/1/0430/8523/4338/files/wilebowifowuvijeka.pdf
    • https://cdn.shopify.com/s/files/1/0438/1147/1522/files/dragon_quest_11_level_99_guide.pdf
    • https://cdn.shopify.com/s/files/1/0430/8297/3346/files/71265181740.pdf
    • https://c468d0c5-16d7-49a9-9514-b469f1ec7583.filesusr.com/ugd/a37a2e_4aaa86221c934cc08c218d1782d97b66.pdf?index=true
    • https://e8efb3a8-f2d1-45d0-b517-7986f65cd1eb.filesusr.com/ugd/4dbf3f_67ac64e1837d49fda37f07df7a2fe45f.pdf?index=true
    • https://c26c0913-eb0b-4f67-b1cf-e116aebd07f9.filesusr.com/ugd/8acad3_e90ad336ab3045d4b1b771944662b466.pdf?index=true
    • https://682bdaf2-6e31-4ce0-88ab-16e732b5992d.filesusr.com/ugd/5bb01c_f864f6db76014931944aa541372d135c.pdf?index=true
    • https://472ac275-df94-46db-8004-679eae8a5ed6.filesusr.com/ugd/de3d83_7d2230b323f04f688d483ac4f87ef545.pdf?index=true
    • https://a50b049d-727e-4fee-9f8e-09fcb6f768a5.filesusr.com/ugd/7f5dc5_8e40a6a3bbd14f768ffef4cc5471d4a2.pdf?index=true
    • https://a365db04-e848-451f-b2f6-8392e4150967.filesusr.com/ugd/c638b7_40f3251513ca43dca5e36b42a72558c1.pdf?index=true
    • 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_off00006fbc.bin
b36773de6b35d81820233f2362f8ca2943caa4cc7cb01c5e12ff99e0dbf91200
pdf-font-stream PDF embedded font (sfnt) at offset 0x6FBC 5080 bytes
font_01_sfnt_off000080e5.bin
edbe0e0abd260731800661e72d47b5c78b688bb620a29704b20e12061611f65d
pdf-font-stream PDF embedded font (sfnt) at offset 0x80E5 10968 bytes