Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3e0cd176e3d4754…

MALICIOUS

PDF

48.8 KB Created: 2020-08-03 11:40:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 83326e0da680a0fd49be38414005c446 SHA-1: 01b5786f0595d78b4456e6a60f11fedef6757071 SHA-256: f3e0cd176e3d4754669437c373590e12a6f908dbfe7a52841e1b7b6acf53c9e1
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, with numerous embedded URLs. One of these URLs, 'https://ttraff.cc/pify?keyword=solenoide+adn+pdf', is identified as a malicious redirector. The presence of a mass external link farm suggests an attempt to manipulate search engine results or distribute malicious content through a large number of seemingly benign links.

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=solenoide+adn+pdf
    • http://files.umscorp.net/uploads/1/3/2/6/132695428/9757217.pdf
    • http://files.patteecanyonoutdoorschool.com/uploads/1/3/1/4/131454521/folakagurivumiposune.pdf
    • http://files.salon225.com/uploads/1/3/1/3/131383645/9b0fe51066.pdf
    • http://files.shopqal.com/uploads/1/3/1/4/131455475/rogaj-gipateduxufux-sopadatidodom.pdf
    • https://cdn.shopify.com/s/files/1/0433/6196/0091/files/82006608217.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84302935330.pdf
    • https://cdn.shopify.com/s/files/1/0437/8827/1777/files/survivor_is_this_love.pdf
    • https://cdn.shopify.com/s/files/1/0430/7812/3680/files/pazuwupazozikudapixelix.pdf
    • https://cdn.shopify.com/s/files/1/0428/1411/1903/files/kagalubamibidite.pdf
    • https://cdn.shopify.com/s/files/1/0436/9724/2280/files/todavo.pdf
    • https://cdn.shopify.com/s/files/1/0430/5040/1943/files/pofokenemagajede.pdf
    • https://cdn.shopify.com/s/files/1/0434/5970/7037/files/vekilinezeli.pdf
    • https://cdn.shopify.com/s/files/1/0430/9513/0266/files/26685871700.pdf
    • https://cdn.shopify.com/s/files/1/0431/3609/0273/files/4332646206.pdf
    • https://cdn.shopify.com/s/files/1/0436/3006/7865/files/sda_bible_study_guide.pdf
    • https://cdn.shopify.com/s/files/1/0434/2956/0486/files/magic_the_gathering_arena_update.pdf
    • https://cdn.shopify.com/s/files/1/0432/2666/1023/files/duxemajari.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/
    • https://cdn.shopify.com/s/file

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000083ca.bin
f4adf51050c1a14ab96604f7ae70fc21b147303016d747a123b7a13b842d5f34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x83CA 4864 bytes
font_01_sfnt_off0000946d.bin
78fb986aad8408c583f7e6b8debea4e98e928bb159878cf5ff9af3fa599ec462		 pdf-font-stream PDF embedded font (sfnt) at offset 0x946D 9868 bytes

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