Malicious PDF — malware analysis report

Static analysis result for SHA-256 8b42f7e8c911651e…

MALICIOUS

PDF

75.3 KB Created: 2020-08-18 13:58:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7fe6d682ef12dedee09a327bdab244a4 SHA-1: 3496a32ed6b88cbc3cc6ee3a20206afb49d8ed4a SHA-256: 8b42f7e8c911651ed3eef9cbb0c6025553c3844a46c66de4c4a09bae7bed1bf2
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a primary malicious redirector URL pointing to 'ttraff.com'. This URL is designed to lure users into clicking on links, likely leading to further malicious content or phishing pages. The document body, though partially corrupted, contains text related to the Michelin Guide, suggesting a lure to attract clicks.

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=michelin+guide+hong+kong+bib+gourmand
    • http://xamogu.theworldcouncil.net/uploads/1/3/1/6/131607062/bobonexufadira_lujojozox_kugojoxigibile.pdf
    • http://files.hafahuliguam.com/uploads/1/3/0/8/130874359/7699353.pdf
    • http://rusetabi.amandajfields.com/uploads/1/3/1/3/131381204/galajatuvib-niruwalobef.pdf
    • https://cdn.shopify.com/s/files/1/0435/4310/1591/files/rigejisazuwuwopox.pdf
    • https://cdn.shopify.com/s/files/1/0427/7311/9143/files/vaboradikuteredudexagag.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/44219577828.pdf
    • https://cdn.shopify.com/s/files/1/0438/6576/8096/files/12717461598.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51268900441.pdf
    • https://cdn.shopify.com/s/files/1/0438/4410/8445/files/62826012873.pdf
    • https://cdn.shopify.com/s/files/1/0440/5785/4102/files/cossacks_3_strategy_guide.pdf
    • https://cdn.shopify.com/s/files/1/0437/6294/2101/files/free_medical_biochemistry_books.pdf
    • https://cdn.shopify.com/s/files/1/0430/6993/1673/files/85608321294.pdf
    • https://cdn.shopify.com/s/files/1/0432/6857/1294/files/cub_scout_wolf_leader_handbook.pdf
    • https://cdn.shopify.com/s/files/1/0440/8446/1720/files/ninjutsu_techniques.pdf
    • https://cdn.shopify.com/s/files/1/0440/9065/4870/files/21930714336.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000aabf.bin
f66f5e7072ea4575508ac471fc9c535ad75b8fe0555f7ee2452aa39448dead5a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAABF 19284 bytes
font_01_sfnt_off0000e82e.bin
704addbcd5448cc7e4fabc2a0fa4a13d515fdff72d654e53f6c35d749fa1c4cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE82E 5384 bytes
font_02_sfnt_off0000fa48.bin
2cbb9de48b995c456fedd22aec9855c9a993b1566501e0adc989f8de15a74117		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFA48 11152 bytes

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