Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee0712d9efa9e62e…

MALICIOUS

PDF

42.6 KB Created: 2020-08-11 17:01:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c9cf7659a3090f3699adc00580a6c10 SHA-1: 38f0e1c860f3b0522f70aeb5ec4fd553ba539c13 SHA-256: ee0712d9efa9e62ec81604e4c79fe3ee1507dba0511ffb58c0ed53444d11ce06
120 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to a known malicious domain (ttraff.com), disguised as a search result for a book title. This indicates a phishing or social engineering attempt to direct users to malicious infrastructure. The PDF also contains a large number of external links, many pointing to Shopify domains, likely as part of an SEO link farm to improve the ranking of the malicious redirector. No scripts were extracted from this sample.

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=understanding+computers+today+and+tomorrow+15th+edition+pdf+chapter+7
    • http://files.mrcarnahan.com/uploads/1/3/1/4/131437532/fezubusinawuku.pdf
    • http://files.wintercup-sportklettern.org/uploads/1/3/2/7/132711947/826a3c346a0905.pdf
    • http://files.vicenzas-crostoli.com/uploads/1/3/1/4/131483253/9062675.pdf
    • http://files.geopiano.orduns.net/uploads/1/3/0/7/130740429/sikav.pdf
    • https://cdn.shopify.com/s/files/1/0436/7260/0726/files/bootstrap_3_offset.pdf
    • https://cdn.shopify.com/s/files/1/0439/3703/8494/files/99683763553.pdf
    • https://cdn.shopify.com/s/files/1/0437/8476/5602/files/bujapozupajevusijexunosen.pdf
    • https://cdn.shopify.com/s/files/1/0432/8154/7428/files/85671391491.pdf
    • https://cdn.shopify.com/s/files/1/0434/7461/6472/files/mesotelioma_sarcomatoide.pdf
    • https://cdn.shopify.com/s/files/1/0432/7532/1499/files/woolworths_food_specials.pdf
    • https://cdn.shopify.com/s/files/1/0431/7682/0890/files/51294396084.pdf
    • https://cdn.shopify.com/s/files/1/0434/5259/6374/files/zapaminivimatiwu.pdf
    • https://cdn.shopify.com/s/files/1/0432/3291/9720/files/burger_king_coupons_2020_april.pdf
    • https://cdn.shopify.com/s/files/1/0431/3802/3592/files/pontiac_head_codes.pdf
    • https://cdn.shopify.com/s/files/1/0434/2707/0104/files/noduxedolivo.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_off00006740.bin
baa1704ed5cda4bf064b3c6eeaddc60249377f243cc4022f976a4f05cbe08a0d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6740 5976 bytes
font_01_sfnt_off00007b97.bin
fcc9e7fac2b28fc836a8677614cd97f5337e1fd731a3f1cfdf9a1bce2fccaf58		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B97 9848 bytes

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