Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e69372e6169bcbc…

MALICIOUS

PDF

43.9 KB Created: 2020-08-20 05:04:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a0d5d462227fd1a83685ed30d911834f SHA-1: 1f341ca4c2afff020c9cc0e94a12f893ee7c6f56 SHA-256: 9e69372e6169bcbc9eff559435488c65decee0b9fd0ca00159980d8681820ce7
150 Risk Score

Malware Insights

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

The PDF contains embedded links, one of which points to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for 'classic wow human mage leveling guide' and includes the malicious URL. This suggests the PDF is designed to redirect users to malicious content, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.ru/pify?keyword=classic+wow+human+mage+leveling+guide
    • http://files.danechristopher.com/uploads/1/3/1/8/131856374/6eda2.pdf
    • https://cdn.shopify.com/s/files/1/0430/9703/0805/files/30971506572.pdf
    • https://cdn.shopify.com/s/files/1/0433/4066/0895/files/adobe_flash_player_android_10._2.pdf
    • https://cdn.shopify.com/s/files/1/0435/1872/2216/files/knight_skin_minecraft.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1589944702.pdf
    • https://cdn.shopify.com/s/files/1/0438/3745/6534/files/divorce_in_islam_in_urdu.pdf
    • https://cdn.shopify.com/s/files/1/0434/7641/8713/files/jolawifexexulaxebufebajux.pdf
    • https://cdn.shopify.com/s/files/1/0434/4836/9309/files/kivuzegidaxarobifogikova.pdf
    • https://cdn.shopify.com/s/files/1/0433/0441/9478/files/mount_and_blade_bannerlord_demo_free.pdf
    • https://cdn.shopify.com/s/files/1/0440/2230/0822/files/73596199967.pdf
    • https://cdn.shopify.com/s/files/1/0431/8678/2369/files/angle_of_incidence_definition.pdf
    • https://cdn.shopify.com/s/files/1/0428/5431/8239/files/83352978620.pdf
    • https://cdn.shopify.com/s/files/1/0430/2854/5693/files/tepolagidokud.pdf
    • https://cdn.shopify.com/s/files/1/0432/6499/9588/files/kung_lao_fatality.pdf
    • https://cdn.shopify.com/s/files/1/0432/5136/8104/files/html_grid_template_areas.pdf
    • https://cdn.shopify.com/s/files/1/0435/8209/5517/files/bebop_books.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_off00006e8a.bin
c336c45874b5d8de7ea41e66e54632a81f6d2d1936ed180d6bec254b45e2db17		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E8A 5312 bytes
font_01_sfnt_off00008088.bin
d076d32f404d6457642401a401d437ad1f98787cad19744b79d139a9141ffb44		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8088 9908 bytes

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