Malicious PDF — malware analysis report

Static analysis result for SHA-256 ede9b31aac8cfe60…

MALICIOUS

PDF

35.1 KB Created: 2020-08-01 23:59:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5d9b3a32508fe746644ff218eb8bb36b SHA-1: 6382898be19ed5d26ac5f2a1fadb917926af74d4 SHA-256: ede9b31aac8cfe6074e4a7d76a7aa73fd5a5689ec11f7ef9ede06102aa69c02c
120 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, containing numerous embedded URLs pointing to external PDF documents. One of these URLs, 'https://ttraff.ru/pify?keyword=dark+light+night+lovell', is flagged as a known malicious redirector. The presence of a large number of links, many hosted on Shopify, suggests an attempt to manipulate search engine results or distribute malicious content through a seemingly benign document.

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=dark+light+night+lovell
    • http://files.mydaybydaynutrition.com/uploads/1/3/0/7/130775145/8501803.pdf
    • http://files.trailtothepeople.com/uploads/1/3/1/3/131384573/92529b6db.pdf
    • http://files.creationresearchstore.com/uploads/1/3/2/6/132680986/fcde3401c.pdf
    • https://cdn.shopify.com/s/files/1/0434/9673/4880/files/mafuzifenitopiziju.pdf
    • https://cdn.shopify.com/s/files/1/0431/4549/4684/files/21528597501.pdf
    • https://cdn.shopify.com/s/files/1/0429/0471/5427/files/bolawapobasagegobomileko.pdf
    • https://cdn.shopify.com/s/files/1/0427/9736/7452/files/66600799864.pdf
    • https://cdn.shopify.com/s/files/1/0431/1724/8672/files/12871924891.pdf
    • https://cdn.shopify.com/s/files/1/0432/3747/4472/files/walowekidoxosamijewafoxak.pdf
    • https://cdn.shopify.com/s/files/1/0428/5543/2348/files/62552475848.pdf
    • https://cdn.shopify.com/s/files/1/0431/1557/7504/files/mabizuxolatev.pdf
    • https://cdn.shopify.com/s/files/1/0427/7154/6279/files/bunabosaxalurezefisu.pdf
    • https://cdn.shopify.com/s/files/1/0436/5749/4693/files/zuzavaxis.pdf
    • https://cdn.shopify.com/s/files/1/0435/1423/2996/files/2811918818.pdf
    • https://cdn.shopify.com/s/files/1/0434/4925/4048/files/21886484360.pdf
    • https://cdn.shopify.com/s/files/1/0430/8631/5682/files/badomoxa.pdf
    • https://cdn.shopify.com/s/files/1/0437/7581/9927/files/dojodatupebexikefalama.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_off00004c51.bin
f41348b7b44edeca1aba76039821fbf9a0de9a4932426ac58301dec4d2817206		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4C51 4892 bytes
font_01_sfnt_off00005d00.bin
2eee12b0c678cf03ace1e40685c27760fd1236d013bd8e6eb3c9362979496a96		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D00 10116 bytes

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