Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9e0d22c1c4cfdd5…

MALICIOUS

PDF

52.0 KB Created: 2020-08-04 11:50:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: abaf8a54b09f1ee64d84c5e973198407 SHA-1: 6b565f914c2880c68ad0b972e81f2bf7d6519e4f SHA-256: d9e0d22c1c4cfdd5fe0a75e24879925a0e435b68f9b5dea25d98cd756cde88e3
150 Risk Score

Malware Insights

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

The PDF file contains numerous links, many pointing to Shopify domains, but one critical link redirects to 'ttraff.com', identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'wings of fire book 8 pdf' and the malicious URL, suggesting a lure to trick users into clicking the link. The presence of a malicious redirector and a link farm indicates an attempt to drive traffic to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.com/pify?keyword=wings+of+fire+book+8+pdf
    • http://files.studio-aegis.com/uploads/1/3/2/7/132740445/rafubedenozasi.pdf
    • http://files.mountainaircool.com/uploads/1/3/1/4/131408344/gamod-ribakebaw-dukebavedufojo.pdf
    • http://files.cherrybuttonscooperative.com/uploads/1/3/1/6/131637313/1034287.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/velokiw.pdf
    • https://cdn.shopify.com/s/files/1/0430/5892/1621/files/41171219709.pdf
    • https://cdn.shopify.com/s/files/1/0437/2122/8442/files/walker_cinemas_north_ogden_ogden_ut.pdf
    • https://cdn.shopify.com/s/files/1/0433/3882/5883/files/88647519764.pdf
    • https://cdn.shopify.com/s/files/1/0429/5108/2143/files/75636142387.pdf
    • https://cdn.shopify.com/s/files/1/0427/9461/4940/files/92785831197.pdf
    • https://cdn.shopify.com/s/files/1/0438/3975/0294/files/23184660323.pdf
    • https://cdn.shopify.com/s/files/1/0435/7275/6648/files/lojobipuvagevozowefibuxi.pdf
    • https://cdn.shopify.com/s/files/1/0432/1571/6513/files/523590870.pdf
    • https://cdn.shopify.com/s/files/1/0428/0962/2687/files/897830086.pdf
    • https://cdn.shopify.com/s/files/1/0432/9183/6566/files/vetunuvalamebus.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_off0000793b.bin
5d776da4e4f799189878724482dfca39b51c58f5a037aca4fd6d62e62703bdfd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x793B 6036 bytes
font_01_sfnt_off00008de7.bin
4bb8c6303579f64c896f7b1586f51f2a77e37798f61d719da0e36ebabd27175e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8DE7 5376 bytes
font_02_sfnt_off0000a05a.bin
358684b79e1e279c35cb6eb338c7430f5ec2edd87c92ce71215706b381014148		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA05A 10060 bytes

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