Malicious PDF — malware analysis report

Static analysis result for SHA-256 463fcd592c27c303…

MALICIOUS

PDF

36.6 KB Created: 2020-08-21 10:23:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5ea2028378f9c035b6ec84f6ea178c84 SHA-1: 866a5eaedfa24bac1a050525bb6f2f87a9c0f95f SHA-256: 463fcd592c27c3035434239a13d8fbc0461d963388be1bc2f1286e25e6fda86a
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 'https://ttraff.cc/pify?keyword=gotv+max+tv+guide'. This indicates a likely phishing or scam attempt, using the guise of a TV guide to lure users to malicious infrastructure. The document body, though heavily obfuscated, contains the same redirector URL and other PDF links, reinforcing the attack pattern.

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=gotv+max+tv+guide
    • http://files.excellart.com/uploads/1/3/1/4/131409526/2577730.pdf
    • http://files.bolivarcoc.com/uploads/1/3/0/8/130814717/946612.pdf
    • http://nezoturis.robertjsteel.com/uploads/1/3/1/6/131636725/wirarikamow-vorezul-kafudibafuduwu-baxafijisagagep.pdf
    • https://cdn.shopify.com/s/files/1/0431/5480/0797/files/40004539148.pdf
    • https://cdn.shopify.com/s/files/1/0433/3296/0409/files/articles_exercise_for_class_5.pdf
    • https://cdn.shopify.com/s/files/1/0438/5390/6080/files/gekulageze.pdf
    • https://cdn.shopify.com/s/files/1/0432/6237/8152/files/doputonodenozajow.pdf
    • https://cdn.shopify.com/s/files/1/0430/4112/8601/files/2037255090.pdf
    • https://cdn.shopify.com/s/files/1/0432/9812/8036/files/latopebafiwafo.pdf
    • https://cdn.shopify.com/s/files/1/0432/4560/0936/files/lewiluk.pdf
    • https://cdn.shopify.com/s/files/1/0451/3605/2389/files/action_plan_meaning.pdf
    • https://cdn.shopify.com/s/files/1/0431/9094/3902/files/the_sanford_guide_to_antimicrobial_therapy_2020_46th_edition.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_off00004640.bin
6eba164e3ad571cb33a3f8d72a38cfeba0b973dd1902d944f162c87391acb987		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4640 4776 bytes
font_01_sfnt_off00005690.bin
d44bc8224f6a8fb95ef55c7791a9451ba9ab3639508923aa7aabb0a0364a5338		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5690 9768 bytes
font_02_sfnt_off00007815.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7815 4324 bytes

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