Malicious PDF — malware analysis report

Static analysis result for SHA-256 46b6c3ebe7917a0a…

MALICIOUS

PDF

63.7 KB Created: 2020-08-06 01:42:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 627c0063745561d869a3da97ffbe96c4 SHA-1: f9e05cd5f9c514bdb1cca6979c481ee0d64a749f SHA-256: 46b6c3ebe7917a0a1704b37cf7dac1ad330e0e569be7e658448e2455226a9126
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the string 'https://ttraff.cc/pify?keyword=vanilla+wow+leveling+guide+horde+pdf', suggesting a lure to a malicious site. The presence of numerous links to Shopify-hosted PDFs indicates a potential SEO poisoning or link farm strategy to distribute malicious content.

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=vanilla+wow+leveling+guide+horde+pdf
    • http://files.fbcgodfrey.org/uploads/1/3/1/4/131408142/55aae3570a80.pdf
    • http://files.victoriaesquivel.com/uploads/1/3/2/6/132682813/likibalugazuzof-dabarugume.pdf
    • http://files.beingfrankblog.com/uploads/1/3/2/3/132302736/2cdf7f0.pdf
    • http://files.kingsporthorses.com/uploads/1/3/1/3/131383553/1742861.pdf
    • https://cdn.shopify.com/s/files/1/0435/8553/6159/files/9860263219.pdf
    • https://cdn.shopify.com/s/files/1/0431/7632/9373/files/mokorisilasugano.pdf
    • https://cdn.shopify.com/s/files/1/0430/4620/7642/files/mimemifelotibitelafepeda.pdf
    • https://cdn.shopify.com/s/files/1/0437/0015/8632/files/dobekojifebulef.pdf
    • https://cdn.shopify.com/s/files/1/0434/3290/2806/files/judipagab.pdf
    • https://cdn.shopify.com/s/files/1/0427/9438/5575/files/86982267301.pdf
    • https://cdn.shopify.com/s/files/1/0438/1684/5469/files/wajizi.pdf
    • https://cdn.shopify.com/s/files/1/0429/0415/8364/files/english_words_without_vowels_list.pdf
    • https://cdn.shopify.com/s/files/1/0440/8157/8136/files/58820101243.pdf
    • https://cdn.shopify.com/s/files/1/0430/3205/1873/files/42025367471.pdf
    • https://cdn.shopify.com/s/files/1/0433/1683/8558/files/zujuleta.pdf
    • https://cdn.shopify.com/s/files/1/0429/6127/2983/files/90646771485.pdf
    • https://cdn.shopify.com/s/files/1/0429/9603/9839/files/podixotesagajaki.pdf
    • https://cdn.shopify.com/s/files/1/0430/6819/4965/files/62410744117.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_off0000bc9e.bin
81dad6652caeae07a61b9598bc8d98cc1bdeb73aa0a0d68a85ae7edfeb2ff79b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBC9E 5244 bytes
font_01_sfnt_off0000ce8d.bin
cc7c7a0d10e5768c43b445cef714ca93f364742696404212c5d60a35d7702bb5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCE8D 10376 bytes

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