Malicious PDF — malware analysis report

Static analysis result for SHA-256 b345b1c08c887876…

MALICIOUS

PDF

44.3 KB Created: 2020-08-22 20:23:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b52785fb72beda83963b288c45b1cf6f SHA-1: ec2d27904cdd76149ed8be63212e4571d6206a14 SHA-256: b345b1c08c88787641d38be813ad26449a4ace709c0189265ef4ed894ebbc2e9
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a link farm and a specific malicious redirector URL, indicating a phishing or scam attempt. The embedded URL `https://ttraff.cc/pify?keyword=android+tv+emulator+play+store` is flagged as malicious and likely serves as a lure to a more harmful destination. The presence of numerous external links, many hosted on Shopify, suggests an attempt to create a deceptive facade or distribute further malicious content.

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.cc/pify?keyword=android+tv+emulator+play+store
    • http://polokuzu.mindfulsavvy.com/uploads/1/3/2/6/132683188/tunuwapewugozegobovi.pdf
    • http://xukefisum.taoacupuncturemarin.com/uploads/1/3/1/3/131381135/4135a2d3bf3f.pdf
    • http://files.gabrielesmist.com/uploads/1/3/1/4/131437378/2637491.pdf
    • https://cdn.shopify.com/s/files/1/0429/5249/1159/files/71624196530.pdf
    • https://cdn.shopify.com/s/files/1/0427/7954/1671/files/babuli.pdf
    • https://cdn.shopify.com/s/files/1/0438/1730/4226/files/spoken_english_practice_lessons.pdf
    • https://cdn.shopify.com/s/files/1/0439/3569/5003/files/ben_hur_2010_full_movie.pdf
    • https://cdn.shopify.com/s/files/1/0431/0594/3701/files/graphing_systems_of_equations_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0446/2706/7043/files/learn_french_for_beginners_through_english.pdf
    • https://cdn.shopify.com/s/files/1/0435/7236/3432/files/aviva_healthier_solutions.pdf
    • https://cdn.shopify.com/s/files/1/0428/8898/6787/files/kozosun.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/47184882359.pdf
    • https://cdn.shopify.com/s/files/1/0438/4620/5602/files/letter_of_intent_to_buy_property_template.pdf
    • https://cdn.shopify.com/s/files/1/0436/3013/3406/files/37001640470.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_off00007013.bin
64f9057fdbe5ac952522ff27af2009978e54d007edcecfb63ebd0d57051c54a7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7013 5256 bytes
font_01_sfnt_off000081de.bin
f54fe0a90e4933a7888d18523cf0c0bfae9bd42e440b8500254845d5bccf1fd2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x81DE 10148 bytes

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