Malicious PDF — malware analysis report

Static analysis result for SHA-256 de67f989a3137277…

MALICIOUS

PDF

45.2 KB Created: 2020-08-14 17:53:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5352487abe058976b212efe88b3b6c8a SHA-1: 02c4af0b9c9bf3ae57f0e550e4c59e02687e4464 SHA-256: de67f989a3137277022a4bbd6ba87959dee074156e47f74c2df376fd72c983ba
120 Risk Score

Malware Insights

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

The PDF contains a high number of embedded links, many of which point to external resources. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=what+is+anti+slavery+australia+fact+sheet'. This suggests the document is designed to redirect users to potentially harmful websites, likely for phishing or malware delivery. The presence of numerous other links, including one to a Shopify domain, indicates a link farm strategy to obscure the ultimate destination.

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=what+is+anti+slavery+australia+fact+sheet
    • http://files.oldfilibuster.com/uploads/1/3/0/7/130775432/ravokivexuzileb.pdf
    • http://files.bjstewartconcrete.com/uploads/1/3/0/7/130738714/jilev_xukokewofewo.pdf
    • https://cdn.shopify.com/s/files/1/0437/8198/0317/files/australian_passport_application_form_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/7576/3353/files/wasuwoxinapolelix.pdf
    • https://cdn.shopify.com/s/files/1/0432/0916/2907/files/6332286398.pdf
    • https://cdn.shopify.com/s/files/1/0436/6571/9449/files/jezubapojaxodipilul.pdf
    • https://cdn.shopify.com/s/files/1/0431/3507/4465/files/jekomesadirugajofu.pdf
    • https://cdn.shopify.com/s/files/1/0431/2816/0413/files/92770796514.pdf
    • https://cdn.shopify.com/s/files/1/0430/8706/9348/files/bunuluxon.pdf
    • https://cdn.shopify.com/s/files/1/0431/0279/7986/files/59510409076.pdf
    • https://cdn.shopify.com/s/files/1/0430/7147/1767/files/abakada_tagalog.pdf
    • https://cdn.shopify.com/s/files/1/0434/8172/7129/files/bulurikanunofeminave.pdf
    • https://cdn.shopify.com/s/files/1/0437/8614/1847/files/scerts_assessment_forms.pdf
    • https://cdn.shopify.com/s/files/1/0433/3273/1038/files/347399415.pdf
    • https://cdn.shopify.com/s/files/1/0433/0638/5558/files/tasexigaje.pdf
    • https://cdn.shopify.com/s/files/1/0432/8734/7364/files/16310816295.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_off00007181.bin
8066b2ba2b921ba742245b6ab103436a7bcd9c434dc9c46a680a5674e5948176		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7181 5144 bytes
font_01_sfnt_off00008306.bin
adb20ab6ff9bf243363cb494120cf28ba4679f3976f7373a6915f157db55635d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8306 10828 bytes

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