Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c932cf549ceac4e…

MALICIOUS

PDF

66.6 KB Created: 2020-06-04 14:59:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fb535f540af56047d283657f180c9d63 SHA-1: b844e0983307a1401d73baa0bf22759f8d7e2adc SHA-256: 1c932cf549ceac4ea1c91e58cc81f4fb762d56c382e51b01ed500aa8d5264eb0
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a lure consistent with an advance-fee scam, aiming to trick users into clicking embedded links. One such link, 'https://ttraff.com/wp3?keyword=belkin+hdtv+adapter+manual#belkin+hdtv+adapter+manual', points to known malicious redirector infrastructure. The file also hosts a link farm with numerous PDFs, likely for SEO poisoning, with 'http://dustbustersmaidservices.com/uploads/1/3/1/0/131070983/fijezas-vakok.pdf' being the first identified. No scripts were extracted from this sample.

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.com/wp3?keyword=belkin+hdtv+adapter+manual#belkin+hdtv+adapter+manual
    • http://dustbustersmaidservices.com/uploads/1/3/1/0/131070983/fijezas-vakok.pdf
    • http://canterbury-taekwondo.co.uk/uploads/1/3/0/5/130544823/vavavojijegavi.pdf
    • http://joyfulrelationshipsmatter.com/uploads/1/3/2/3/132303338/sowojinuw.pdf
    • http://lifeexperiencesurvey.org/uploads/1/3/1/6/131636744/778f69214.pdf
    • http://newwavecarpetandtile.com/uploads/1/3/0/6/130604133/2fee8.pdf
    • http://sonoransagecounseling.org/uploads/1/3/0/7/130739094/fexudixodatuda_gifesir.pdf
    • http://gestaltoftherockies.org/uploads/1/3/0/4/130435619/wavadopifezezemiboma.pdf
    • https://dujodutit.files.wordpress.com/2020/06/79644376852.pdf
    • https://pomigizob.files.wordpress.com/2020/06/garalovo.pdf
    • https://fukubosar.files.wordpress.com/2020/06/xuxuz.pdf
    • https://wordpress.com/tos/
    • https://wordpress.com/dmca.html
    • https://wordpress.com/policy.html
    • 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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d73b.bin
e008fb9eee2d79b4d8b017f103baec8df4092e66829f5133287b70d4cb6aab3d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD73B 11236 bytes

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