Malicious PDF — malware analysis report

Static analysis result for SHA-256 aeb9a44dc38168b3…

MALICIOUS

PDF

45.1 KB Created: 2020-08-21 10:43:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6319789332249b76eda05beb1fa05d03 SHA-1: 33ace30b7c3176e39b6224d3fb09fca449ed12c6 SHA-256: aeb9a44dc38168b37a02fadee326e9c58c8b9786ed3fb190ba762382083b7d15
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, appears to contain text related to movies and a URL that matches the malicious redirector. This suggests the document is designed to lure users into clicking malicious links, likely for phishing or malware distribution.

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=top+10+sites+to++movies+bollywood
    • http://files.acorridor.com.au/uploads/1/3/2/3/132302711/4230678.pdf
    • https://cdn.shopify.com/s/files/1/0437/0730/2037/files/29562132141.pdf
    • https://cdn.shopify.com/s/files/1/0439/8268/4318/files/clay_brick_making_machine_project_report.pdf
    • https://cdn.shopify.com/s/files/1/0432/3636/0351/files/xuxinub.pdf
    • https://cdn.shopify.com/s/files/1/0438/6793/0789/files/applied_mathematics_for_business_economics_and_the_social_sciences.pdf
    • https://cdn.shopify.com/s/files/1/0437/6972/5085/files/yodas_midichlorian_count.pdf
    • https://cdn.shopify.com/s/files/1/0432/5661/0969/files/kedijabasanojilovisasa.pdf
    • https://cdn.shopify.com/s/files/1/0437/6068/1111/files/agneepath_full_movie_hd_1990.pdf
    • https://cdn.shopify.com/s/files/1/0434/0586/9217/files/nogojimiwuz.pdf
    • https://cdn.shopify.com/s/files/1/0429/0940/1254/files/43308518919.pdf
    • https://cdn.shopify.com/s/files/1/0431/3173/2132/files/how_to_crack_your_chest.pdf
    • https://cdn.shopify.com/s/files/1/0436/5041/6793/files/update_android_auto_kia.pdf
    • https://cdn.shopify.com/s/files/1/0437/5071/9642/files/91090902496.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/meragavafeduxilaxopuxaw.pdf
    • https://cdn.shopify.com/s/files/1/0433/1454/4808/files/xaxuzemubezuxaxi.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_off00007269.bin
fadb09223c9b8ae3cd7010181bf8fd67db9278db9eb38d8f1e8eff544a2e9f05		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7269 5336 bytes
font_01_sfnt_off00008497.bin
47e4512a3bcb3a3c903a36766454804efe497cd15fef233b473659db2cd0be8b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8497 10128 bytes

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