Malicious PDF — malware analysis report

Static analysis result for SHA-256 39a2ffcc4f139f93…

MALICIOUS

PDF

34.6 KB Created: 2020-08-14 09:09:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 86eba53aba2922461a8e17dc43f7ae9e SHA-1: 103433c2d1f77697e279ad277c33c4be7246e830 SHA-256: 39a2ffcc4f139f935a8f870f3f1ffc7d515d9afb6abec897777c16d416c2a86e
120 Risk Score

Malware Insights

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

The PDF contains a link farm and a critical redirector link pointing to 'https://ttraff.com/pify?keyword=access+runtime+2016+64+bit'. This indicates the document is designed to lure users to a malicious site, likely for further exploitation or credential harvesting. No scripts were extracted, but the PDF structure and embedded URLs strongly suggest a phishing or social engineering attack.

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=access+runtime+2016+64+bit
    • http://bijiza.romanbatyuk.com/uploads/1/3/1/3/131398140/wapibad_dumobaxi_lorisi.pdf
    • http://files.gregantoursireland.com/uploads/1/3/2/8/132814415/fabetojal.pdf
    • http://wogawu.whittaylorcomics.com/uploads/1/3/1/3/131383965/dinopigedo.pdf
    • http://jejarikim.231fusion.com/uploads/1/3/0/7/130775840/74d371b09.pdf
    • http://files.naturallymaineskincare.com/uploads/1/3/1/4/131453267/jomabowaj.pdf
    • https://cdn.shopify.com/s/files/1/0446/2444/5603/files/wexelanoji.pdf
    • https://cdn.shopify.com/s/files/1/0429/3135/5807/files/fadomubi.pdf
    • https://cdn.shopify.com/s/files/1/0429/9119/0167/files/76504523370.pdf
    • https://cdn.shopify.com/s/files/1/0432/1958/3133/files/sajufagumenuwag.pdf
    • https://cdn.shopify.com/s/files/1/0429/9869/4049/files/49580242018.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78108387577.pdf
    • https://cdn.shopify.com/s/files/1/0428/0962/2691/files/bubinugopinawukivesaxo.pdf
    • https://cdn.shopify.com/s/files/1/0428/7689/5388/files/91859730798.pdf
    • https://cdn.shopify.com/s/files/1/0427/5296/6812/files/wiloroziba.pdf
    • https://cdn.shopify.com/s/files/1/0429/7107/0617/files/83180156214.pdf
    • https://cdn.shopify.com/s/files/1/0434/2156/5084/files/85054598846.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_off000049b9.bin
886ce2ac35b9d428ff1f760508c87e01498d508226128c75aeed3330a2bba433		 pdf-font-stream PDF embedded font (sfnt) at offset 0x49B9 5400 bytes
font_01_sfnt_off00005c04.bin
66d3459ee17f4bc366452535e30eeb886c7dcb7a5077cb2b19866babc1913a67		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C04 9880 bytes

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