Malicious PDF — malware analysis report

Static analysis result for SHA-256 36dd6a70d9c9808b…

MALICIOUS

PDF

42.5 KB Created: 2020-08-13 04:38:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 97ac1075f1728549ff55f61be01f42d9 SHA-1: 7e22c23e0da580380b228d60d5a98371170b23c9 SHA-256: 36dd6a70d9c9808b038c3ae0f077a50f6d86b680979b83db24de0edb2ecd5514
150 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many of which point to a redirector service (ttraff.com) known for malicious activity. The document body, though heavily obfuscated, contains the URL that leads to the redirector. The presence of a large number of external links, including benign-looking ones hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious redirector.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.com/pify?keyword=animals+images+hd+pdf In PDF document text
    • http://files.campme.org/uploads/1/3/1/4/131406202/8687108.pdfIn PDF document text
    • http://files.whitneybarrellcounseling.com/uploads/1/3/1/4/131438228/ecf372a9.pdfIn PDF document text
    • http://vagiweto.movablesconsignment.com/uploads/1/3/1/0/131070420/2384250.pdfIn PDF document text
    • http://files.wazyshairsalon.com/uploads/1/3/2/7/132740900/3588d5b99.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5545/6164/files/craftsman_10_radial_arm_saw_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tukesameb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3412/3160/files/21733776709.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wekisod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1019/5605/files/gimapapogelifinetoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0473/8206/files/dekodafiwezugesitubugu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/viloronijiletamuzolodoxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8381/7375/files/72471920048.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0307/4971/files/xududefupu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2282/6142/files/tebumulani.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7103/6835/files/gorolibefukik.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000486a.bin
49fa6604f3426bbed365fdb908946d1ea62dc286795752a3ae97fd2e574acbc8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x486A 5348 bytes
font_01_sfnt_off00005a67.bin
054e5f0141e5e81ce9b06118e110ffb40361862f1bd0556ba76950036801937a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A67 13888 bytes
font_02_sfnt_off0000858b.bin
764fe263e68fd20aff2bbd96e69f5a400d440299d02096befa162391f913c7cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x858B 16144 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.