Malicious PDF — malware analysis report

Static analysis result for SHA-256 563b3b2ded49b8b1…

MALICIOUS

PDF

43.8 KB Created: 2020-08-15 12:43:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7b468a626dcb95e21ddd055f0cdef0cc SHA-1: f6efa69776b32d6e6135eb06964d4039c541fb93 SHA-256: 563b3b2ded49b8b19dcb49f745ccc3ffbefc4feea260150bdfc5d2a415f43cd6
120 Risk Score

Malware Insights

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

The PDF document contains a link to a known malicious redirector, disguised as a customer account details form template. This redirector likely leads to further malicious content or exploits. The document also exhibits characteristics of a link farm, with numerous embedded URLs pointing to various PDF files, suggesting an attempt to manipulate search engine results or distribute further payloads. No scripts were extracted from this sample.

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=customer+account+details+form+template
    • http://daseko.cdsttgwu.com/uploads/1/3/0/7/130775413/zozug.pdf
    • http://fizepove.mainauctiongalleries.com/uploads/1/3/2/6/132681464/20ebd71.pdf
    • http://files.maryscomix.com/uploads/1/3/1/4/131406518/176204.pdf
    • https://cdn.shopify.com/s/files/1/0428/0002/1667/files/xubiwufabibikuzipigiz.pdf
    • https://cdn.shopify.com/s/files/1/0431/3061/8011/files/vesewi.pdf
    • https://cdn.shopify.com/s/files/1/0430/4306/1913/files/61957054607.pdf
    • https://cdn.shopify.com/s/files/1/0430/5348/2137/files/android_1_mod_apk_dr_driving.pdf
    • https://cdn.shopify.com/s/files/1/0435/4637/8404/files/47432305719.pdf
    • https://cdn.shopify.com/s/files/1/0432/9511/3374/files/41849877672.pdf
    • https://cdn.shopify.com/s/files/1/0427/7737/8972/files/33025896161.pdf
    • https://cdn.shopify.com/s/files/1/0431/0115/9585/files/ruwudoku.pdf
    • https://cdn.shopify.com/s/files/1/0432/3147/7922/files/lidulezosulikubizij.pdf
    • https://cdn.shopify.com/s/files/1/0441/0087/8488/files/95436000275.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_off00006daf.bin
52b50e4dd6c01e0187d8847d5d3e3e5bd5f9a471276fe43795b68b0405b6368d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DAF 5208 bytes
font_01_sfnt_off00007f4a.bin
edaba0b162770c86e237f6571125b7d972dd76d710ed51b8b1d76ce5a528e481		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F4A 10316 bytes

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