Malicious PDF — malware analysis report

Static analysis result for SHA-256 e59a9e62914a58a1…

MALICIOUS

PDF

42.7 KB Created: 2020-08-25 06:22:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 88c8d9909c1a459525ad5395722081f1 SHA-1: ea24ffe8a650b70fe3f865997fcfb238ec63abac SHA-256: e59a9e62914a58a1e5b8601df38cb7c542ceaaed7542bd2faf06f28d9bff14f2
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=adobe+after+effect+cc+2017'. This URL is likely part of a phishing or malware distribution scheme. The document also contains a large number of embedded links, many hosted on Shopify, which is flagged as a PDF link farm. The primary malicious URL is the most critical IOC.

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.ru/pify?keyword=adobe+after+effect+cc+2017
    • http://kower.cdipuertorico.com/uploads/1/3/0/8/130814674/xokiwogeninufawe.pdf
    • http://bevunux.stebinacrafts.com/uploads/1/3/2/8/132814930/dedupedap-kusotol-setanusarosik-leduzavub.pdf
    • https://cdn.shopify.com/s/files/1/0430/2117/2897/files/gakamajobejikijodipa.pdf
    • https://cdn.shopify.com/s/files/1/0431/4952/5156/files/85909699807.pdf
    • https://cdn.shopify.com/s/files/1/0435/3317/2885/files/netgear_r7000_ddwrt.pdf
    • https://cdn.shopify.com/s/files/1/0436/6175/4518/files/gebamu.pdf
    • https://cdn.shopify.com/s/files/1/0433/9925/0072/files/vakabidanojider.pdf
    • https://cdn.shopify.com/s/files/1/0435/0679/4651/files/blacksad_tome_2.pdf
    • https://cdn.shopify.com/s/files/1/0440/3478/5430/files/template_hierarchy_wordpress_codex.pdf
    • https://cdn.shopify.com/s/files/1/0427/4877/2519/files/radijimizegilu.pdf
    • https://cdn.shopify.com/s/files/1/0438/0730/9984/files/43022709081.pdf
    • https://cdn.shopify.com/s/files/1/0433/4419/9848/files/certificato_anamnestico_patente_nautica_modulo.pdf
    • https://cdn.shopify.com/s/files/1/0433/7496/8986/files/pin_diode.pdf
    • https://cdn.shopify.com/s/files/1/0430/2657/9610/files/bexul.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_off000060ad.bin
1ce70c9761d151063572d7589d81fc2bb1d531efe0bb7fbabd3ce7b9efec2d84		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60AD 5340 bytes
font_01_sfnt_off000072ec.bin
daad3f347a4f42f432ee9983e619a7c063e36761dba5934b469418034847e28e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72EC 1800 bytes
font_02_sfnt_off00007b7a.bin
2bbb655e7c79c27e881bac485e8594550403cf02e5eef0a50501182d960eb4c5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B7A 10016 bytes

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