Malicious PDF — malware analysis report

Static analysis result for SHA-256 952fc5d58c614319…

MALICIOUS

PDF

44.5 KB Created: 2020-07-27 09:13:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6b44cc5e81fd489ae7d8cf45d357377c SHA-1: 02e378bd327899fe7dbe316bba0848137218ea8c SHA-256: 952fc5d58c614319c1b577a139a6b903885dd300cd6c9f43a682a0ba6cc707d8
120 Risk Score

Malware Insights

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

The PDF contains a link disguised as a 'Free dhl waybill form' which redirects to a known malicious domain, ttraff.com. This indicates a phishing or social engineering attempt to trick the user into visiting a potentially harmful site. The PDF also contains a large number of external links, many hosted on cdn.shopify.com, suggesting a link farm or redirection strategy.

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=free+dhl+waybill+form
    • http://files.wmchsprojectgraduation.com/uploads/1/3/1/8/131872105/viwaja_banunubu_xuripajabiziva_gosuzoxas.pdf
    • http://files.villagescommunity.com/uploads/1/3/1/4/131407226/4927010.pdf
    • http://files.moveovermsa.org/uploads/1/3/1/6/131606631/8576641.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85755015361.pdf
    • https://cdn.shopify.com/s/files/1/0431/7279/0432/files/jivekikegowamelatudaguf.pdf
    • https://cdn.shopify.com/s/files/1/0437/9141/7495/files/3230423496.pdf
    • https://cdn.shopify.com/s/files/1/0432/6758/8252/files/wojusawa.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/befuxaj.pdf
    • https://cdn.shopify.com/s/files/1/0435/4772/1882/files/punikuwasovikabexanos.pdf
    • https://cdn.shopify.com/s/files/1/0429/0736/9639/files/liwuneb.pdf
    • https://cdn.shopify.com/s/files/1/0433/9289/3093/files/23345980552.pdf
    • https://cdn.shopify.com/s/files/1/0428/6450/9094/files/bufabugaxej.pdf
    • https://cdn.shopify.com/s/files/1/0430/4555/2277/files/82939719091.pdf
    • https://cdn.shopify.com/s/files/1/0432/8236/6629/files/diderodagadi.pdf
    • https://cdn.shopify.com/s/files/1/0428/8223/6583/files/99427759430.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/77160317291.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/
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/f

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000071bf.bin
89e57dbbf8b5dd1df5e4a8e0b472098f2c8248b3f4fdaeb2fe29449bd331a8f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71BF 4860 bytes
font_01_sfnt_off00008259.bin
3af62cb4474750d3c89fa2185c4b6ad7575958984d1342b3d0ab5207e4cfefd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8259 10264 bytes

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