Malicious PDF — malware analysis report

Static analysis result for SHA-256 aeb0ab5f5085b94c…

MALICIOUS

PDF

41.2 KB Created: 2020-09-02 15:44:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3fa7af0e3b55ee01f2915885c953b1bf SHA-1: 8f7991d3239c49ff6ffc3ffe681af7d8d681957f SHA-256: aeb0ab5f5085b94c819aefa2be184f57566223f518b56228a147be99b112e928
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.me/pify?keyword=video+bursalagu+mp4'. This URL is presented within the document body, disguised as a video file, indicating a likely phishing or malware distribution attempt. The file also contains a large number of embedded links, many pointing to Shopify domains, suggesting a link farm or redirection strategy. No scripts were extracted, but the presence of the malicious redirector is a strong indicator of malicious intent.

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.me/pify?keyword=video+bursalagu+mp4
    • https://cdn.shopify.com/s/files/1/0430/4456/9242/files/7243441542.pdf
    • https://cdn.shopify.com/s/files/1/0429/8306/3715/files/4436137617.pdf
    • https://cdn.shopify.com/s/files/1/0438/8877/1227/files/82702058421.pdf
    • https://cdn.shopify.com/s/files/1/0429/3869/5846/files/dopopavewujusene.pdf
    • https://cdn.shopify.com/s/files/1/0440/8469/1094/files/41680458442.pdf
    • https://cdn.shopify.com/s/files/1/0430/6255/8874/files/xegajazonapu.pdf
    • https://cdn.shopify.com/s/files/1/0431/3337/0529/files/29453457639.pdf
    • https://cdn.shopify.com/s/files/1/0430/4922/2298/files/44604569238.pdf
    • https://cdn.shopify.com/s/files/1/0435/8062/0955/files/jarak_dua_garis_bersilangan.pdf
    • https://static.usrfiles.com/ugd/87a178_6f70f33cffcc4b05b175d426d803207d.pdf
    • https://static.usrfiles.com/ugd/f99735_216631e59422404483c9d5ce3616571c.pdf
    • https://static.usrfiles.com/ugd/d7ba0f_f530f7ef8d6b4b658aa1ce9d895fb98e.pdf
    • https://static.usrfiles.com/ugd/625844_8592c6e2e7264950adf23b9c09f144b2.pdf
    • https://static.usrfiles.com/ugd/d9e9a0_32c6ee563d8443d382763aae6d3ea970.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_off000062d8.bin
9b0b4afe03357e4c5e721907064f6dccf88d6ee97bde34a0591059964ddddbcd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62D8 5472 bytes
font_01_sfnt_off00007560.bin
c8e075727c8794cef05e281779fd79925dffcc424023db5c2451ef024a54a599		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7560 10192 bytes

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