Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0e579ec4f7dbfa9…

MALICIOUS

PDF

42.8 KB Created: 2020-08-25 14:03:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c1e68792212d49109e85ff45963c294 SHA-1: fdef3138bc2506cf4ea32147c7011657ced4c75e SHA-256: d0e579ec4f7dbfa942c8cebe1a7d040d10fb0dafc8ddcbb5f36490fc89fa97c3
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. The document also exhibits characteristics of a PDF SEO link farm, with numerous external links, many hosted on Shopify. The primary malicious URL is https://ttraff.cc/pify?keyword=baby+born+with+deformed+head, which likely serves as a gateway to further malicious content. No scripts were extracted, but the presence of the malicious redirector and link farm strongly suggests a phishing or redirection attack.

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=baby+born+with+deformed+head
    • http://tezofazag.opalfund.org/uploads/1/3/1/3/131379833/kuzobife_rojoganuto.pdf
    • http://files.kcneev.com/uploads/1/3/0/8/130873828/3962753.pdf
    • http://files.crowsnestpassmusicfestival.com/uploads/1/3/1/6/131607010/sarap.pdf
    • https://cdn.shopify.com/s/files/1/0444/5346/2183/files/3402921399.pdf
    • https://cdn.shopify.com/s/files/1/0428/8882/2950/files/1430587859.pdf
    • https://cdn.shopify.com/s/files/1/0440/3675/1525/files/12552064228.pdf
    • https://cdn.shopify.com/s/files/1/0433/0484/5465/files/jexokudavugojen.pdf
    • https://cdn.shopify.com/s/files/1/0431/3346/8821/files/mosorawuseroge.pdf
    • https://cdn.shopify.com/s/files/1/0431/6558/1468/files/cliffspring_river_sample.pdf
    • https://cdn.shopify.com/s/files/1/0462/2299/9706/files/steel_sheet_gauge_chart.pdf
    • https://cdn.shopify.com/s/files/1/0437/9744/6816/files/french_course_for_beginners.pdf
    • https://cdn.shopify.com/s/files/1/0431/7223/3376/files/gaxetatasonudebofefaluv.pdf
    • https://cdn.shopify.com/s/files/1/0437/4944/1688/files/33446970357.pdf
    • https://cdn.shopify.com/s/files/1/0434/8923/1000/files/fasting_lipid_profile.pdf
    • https://cdn.shopify.com/s/files/1/0432/3255/9267/files/19279632592.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_off00006abf.bin
d3806f08bd84fcab77e2a7cdab4056bf87430719c9662010adf7dfdc548cf303		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6ABF 5320 bytes
font_01_sfnt_off00007cbd.bin
a68c75aa8bf896f1806354c9d16c60f6d3ce352520566c42fc32b966448517cc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CBD 9912 bytes

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