Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f14c9fd6218f9b5…

MALICIOUS

PDF

37.3 KB Created: 2020-08-31 03:19:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5bb3bd3045827d109b8ee9070bd566ab SHA-1: d7c351166fb00339f7f64c0e3ba8bb3da667cec0 SHA-256: 8f14c9fd6218f9b59378f59f165599b291cbe580f1df05710a7d9c80b1800b55
120 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to a known malicious domain, ttraff.com, which is likely part of a phishing or malware distribution campaign. The document body, though heavily obfuscated, contains the same lure URL, suggesting an attempt to trick users into clicking it. The presence of numerous other PDF links, many hosted on cdn.shopify.com, indicates a link farm strategy to obscure the ultimate destination.

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/wix?keyword=dilwale+full+movie+with+english+subtitles
    • https://cdn.shopify.com/s/files/1/0437/1605/1096/files/fodenuwurupuwe.pdf
    • https://cdn.shopify.com/s/files/1/0435/2904/4127/files/29877697446.pdf
    • https://cdn.shopify.com/s/files/1/0431/3966/1981/files/wuletegajiduso.pdf
    • https://cdn.shopify.com/s/files/1/0429/2804/6233/files/41371662141.pdf
    • https://static.usrfiles.com/ugd/e5a943_0e0f4a875b7b449895a94df2830ab37a.pdf
    • https://static.usrfiles.com/ugd/c0b427_9c5197a8503241fa96249bebec12489e.pdf
    • https://static.usrfiles.com/ugd/b8c837_0048c07d6de746819895bb2a129e6ea6.pdf
    • https://static.usrfiles.com/ugd/73f3b0_a7749f57961745b3bf92f80058d09f6b.pdf
    • https://cdn.shopify.com/s/files/1/0431/0486/2375/files/71094199857.pdf
    • https://cdn.shopify.com/s/files/1/0433/1605/2126/files/33739972214.pdf
    • https://cdn.shopify.com/s/files/1/0450/1517/1236/files/wavopiteloretavatudol.pdf
    • https://cdn.shopify.com/s/files/1/0432/2764/4072/files/xaxudasiburidetotid.pdf
    • https://cdn.shopify.com/s/files/1/0447/9008/7829/files/eclampsia_management_guidelines.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_off00004f4a.bin
eed9f37a9ffcb0ddb7d274cc1e6563a43c3ece252225648f6266448c0d1d47e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4F4A 5376 bytes
font_01_sfnt_off0000619c.bin
ada95cc8cd6eace63c1149b65c74ae62ba59f183d34322974ae727752336cc58		 pdf-font-stream PDF embedded font (sfnt) at offset 0x619C 11984 bytes

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