Malicious PDF — malware analysis report

Static analysis result for SHA-256 a8684165a1315146…

MALICIOUS

PDF

67.0 KB Created: 2020-08-30 03:02:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c8d82ff68d51041f9465581536c1517b SHA-1: ecd94b167d3b267b060452ec1225cada8dd7601c SHA-256: a8684165a131514607e61d118f41bc5028d87f7c7baaa4524b64ad14f22a08a7
152 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to song downloads and the malicious URL itself. This suggests a social engineering tactic to drive traffic to a malicious site, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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.cc/wix?keyword=ek+vivah+aisa+bhi+songs+download+pagalworld
    • https://static.usrfiles.com/ugd/b8c837_7c38f64e06c6438f9b7e65ccef2aafa4.pdf
    • https://static.usrfiles.com/ugd/b8c837_545d58b1651b46a18cf7f2d7318c0028.pdf
    • https://static.usrfiles.com/ugd/c3f88d_a20e01c06e5c4ae4a87490d13bb211ce.pdf
    • https://cdn.shopify.com/s/files/1/0437/5986/1909/files/cause_of_stroke.pdf
    • https://cdn.shopify.com/s/files/1/0431/7318/3643/files/laxakogolo.pdf
    • https://cdn.shopify.com/s/files/1/0434/7281/4245/files/nidetuvefuwu.pdf
    • https://cdn.shopify.com/s/files/1/0434/8064/5782/files/19787369364.pdf
    • https://static.usrfiles.com/ugd/41a0b6_92e03343bf5c44c4aceb9c7445742395.pdf
    • https://static.usrfiles.com/ugd/eb4c03_1041bd6194bb4839bc4d2988ee8058f9.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/67768868558.pdf
    • https://cdn.shopify.com/s/files/1/0432/6385/2712/files/67684950439.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_off0000be34.bin
c556615648aabd14bb6df738f4d9d14235f5b1d28e250ea153488861697a2dc9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBE34 5536 bytes
font_01_sfnt_off0000d106.bin
296bda4c6b6b72d83eb8998b7f53ddd65b8917adecb53d051a79fff8c5cee449		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD106 14916 bytes

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