Malicious PDF — malware analysis report

Static analysis result for SHA-256 d601ba691617ed42…

MALICIOUS

PDF

42.5 KB Created: 2020-08-28 03:22:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b6d6bd007d16b3d5f27003b577c16731 SHA-1: 6b10e5d8d49618c6c6232365fcd2a8b1481346c5 SHA-256: d601ba691617ed42be35dbc16658b1b685e234ef6a5c2d134629c45be1403674
150 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL, 'https://ttraff.club/pify?keyword=10+day+green+smoothie+cleanse+pdf+fr', is likely used to lure victims into downloading further malicious content or to phish for credentials. The document body, though heavily obfuscated, contains references to the malicious URL and other PDF files, suggesting a link farm or redirection strategy.

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.club/pify?keyword=10+day+green+smoothie+cleanse+pdf+fr
    • http://files.satorico.net/uploads/1/3/1/3/131384468/5375225.pdf
    • http://files.bethbongar.com/uploads/1/3/1/4/131453248/xirazodolikig.pdf
    • http://files.seetheworld.tours/uploads/1/3/2/8/132815961/bawifutopite.pdf
    • http://sifizesa.deneeanaya.com/uploads/1/3/2/3/132302995/vilamagedujopom.pdf
    • https://cdn.shopify.com/s/files/1/0437/0061/7381/files/zujomefodizosafun.pdf
    • https://cdn.shopify.com/s/files/1/0434/0196/9820/files/hallelujah_cohen_emerson.pdf
    • https://cdn.shopify.com/s/files/1/0434/8549/5453/files/74751368466.pdf
    • https://cdn.shopify.com/s/files/1/0429/2768/5799/files/23949049941.pdf
    • https://cdn.shopify.com/s/files/1/0431/1253/0081/files/25055039390.pdf
    • https://cdn.shopify.com/s/files/1/0437/1100/4821/files/full_block_style.pdf
    • https://cdn.shopify.com/s/files/1/0435/4618/1787/files/toninevonijokorevo.pdf
    • https://cdn.shopify.com/s/files/1/0436/0205/1235/files/4546827350.pdf
    • https://cdn.shopify.com/s/files/1/0433/0756/5214/files/hybridisation_of_atomic_orbitals.pdf
    • https://cdn.shopify.com/s/files/1/0430/6875/2023/files/66116857939.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_off000064e9.bin
a0a13ab3d125d1c7ccc3810ca309b8d5fed7cf18a9d9ecda07fe002fef4178bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64E9 5768 bytes
font_01_sfnt_off00007862.bin
8e95c6b4828a46cec1ff5b2802abc95398b65dd98b6f5e263b1441d15b3ebcf5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7862 10736 bytes

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