Malicious PDF — malware analysis report

Static analysis result for SHA-256 36ccbacf06ca39a2…

MALICIOUS

PDF

49.2 KB Created: 2020-09-01 12:16:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 41c9fbf1bf2da996adf8b56743608285 SHA-1: 5649855a964f07e2e5bbcdeb765f9f361c247882 SHA-256: 36ccbacf06ca39a2cf2204044c0704ac8ba761c843f292d2fdda1f0511f4cb83
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, including a critical redirector link to ttraff.cc, disguised as a game guide. This indicates a phishing or scam attempt designed to redirect the user to malicious infrastructure. The document body, though heavily obfuscated, contains the target URL and references to other PDF files, reinforcing the link farm heuristic.

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/wix?keyword=rome+2+total+war+iceni+guide
    • https://cdn.shopify.com/s/files/1/0440/7797/3654/files/53206305102.pdf
    • https://cdn.shopify.com/s/files/1/0431/2308/1378/files/5792246279.pdf
    • https://cdn.shopify.com/s/files/1/0431/0790/9781/files/bengali_to_assamese_dictionary_free_download.pdf
    • https://static.usrfiles.com/ugd/a43ec6_55f2f7de0da64ce8a484eb7dc13da1ff.pdf
    • https://static.usrfiles.com/ugd/7f46b5_0c24de45ff5045e78edf86d5208a788a.pdf
    • https://static.usrfiles.com/ugd/05900a_3246cddd82ce4fbfba779a831de24152.pdf
    • https://static.usrfiles.com/ugd/238140_b7eeea7cad88431b872c07813ad8c802.pdf
    • https://cdn.shopify.com/s/files/1/0434/7304/3622/files/accounting_equation_quiz.pdf
    • https://cdn.shopify.com/s/files/1/0430/4198/0567/files/xujugu.pdf
    • https://cdn.shopify.com/s/files/1/0440/7017/4870/files/english_guide_for_class_9_second_language.pdf
    • https://cdn.shopify.com/s/files/1/0433/6127/1959/files/tcl_4k_49_inch.pdf
    • https://cdn.shopify.com/s/files/1/0432/6971/8172/files/18244904241.pdf
    • https://cdn.shopify.com/s/files/1/0437/0428/7383/files/motiv_bowling_ball_drilling_guide.pdf
    • https://cdn.shopify.com/s/files/1/0431/9969/2958/files/a_level_chemistry_atomic_structure_notes.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_off000064ac.bin
84d924269d34b28eff448fc6eac904173047e3ada7cbe98f423f38be7d24319a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64AC 5196 bytes
font_01_sfnt_off0000764c.bin
9568b57233df7b4452bdc46152e586d3b71c8e730c78b5310c598eb6a94d80ec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x764C 15836 bytes
font_02_sfnt_off0000a817.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA817 4324 bytes

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