Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c60c8a545d8cf16…

MALICIOUS

PDF

45.7 KB Created: 2020-07-24 02:18:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9d22908d7360bedf9bc43c1a685d5b36 SHA-1: ec860b11475e9dcfffc06252298c29efa4d65ffd SHA-256: 9c60c8a545d8cf1607e2657801a70182e4cb3536879bc858d446e295eba5683a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell 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, suggesting an attempt to manipulate search engine results or distribute multiple malicious links. The presence of a 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document may be instructing the user to open a password-protected archive, a common tactic to bypass gateway security. The embedded URL is likely part of this lure.

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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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=salesforce+marketing+cloud+connector+installation+guide
    • http://files.amesucc.org/uploads/1/3/1/0/131070309/munorerix.pdf
    • http://files.surviveessentially.com/uploads/1/3/1/1/131163634/b48cb.pdf
    • http://files.littlepartnerscreche.com/uploads/1/3/2/7/132740457/nodezusizewiw_ligeriketelare.pdf
    • http://files.collagen.solutions/uploads/1/3/1/4/131406510/wanaxuzo.pdf
    • http://files.blackprince.hu/uploads/1/3/2/6/132681150/rosim-sononavek-bikerexeribad-nokudaluzakego.pdf
    • https://cdn.shopify.com/s/files/1/0430/7432/2586/files/sawuvenejozagovaku.pdf
    • https://cdn.shopify.com/s/files/1/0432/1322/6143/files/wipavotaranobopugu.pdf
    • https://cdn.shopify.com/s/files/1/0433/5117/9416/files/77832693424.pdf
    • https://cdn.shopify.com/s/files/1/0432/2538/3074/files/80937808690.pdf
    • https://cdn.shopify.com/s/files/1/0427/3248/6823/files/taxomonaraxaredunefagab.pdf
    • https://cdn.shopify.com/s/files/1/0428/8764/3302/files/sikixipejovuzez.pdf
    • https://cdn.shopify.com/s/files/1/0432/0421/4942/files/52292309124.pdf
    • https://cdn.shopify.com/s/files/1/0435/2393/2311/files/83371976160.pdf
    • https://cdn.shopify.com/s/files/1/0430/1769/9477/files/84709589978.pdf
    • https://cdn.shopify.com/s/files/1/0434/8307/0630/files/wikilotiwuk.pdf
    • https://cdn.shopify.com/s/files/1/0431/0656/6306/files/muvogofemixudakora.pdf
    • https://cdn.shopify.com/s/files/1/0431/0876/1764/files/21446659236.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_off0000730c.bin
85556de8c5d71e8fbacfdf8cc754167c1b5168dd0548c25b4206b09af50a353b
pdf-font-stream PDF embedded font (sfnt) at offset 0x730C 5388 bytes
font_01_sfnt_off0000853a.bin
17cbecdde7d29ad2a8677f93566972963a8d5a8b89680a5b001d3389e13a1950
pdf-font-stream PDF embedded font (sfnt) at offset 0x853A 9952 bytes