Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2016beecb1817e6…

MALICIOUS

PDF

54.0 KB Created: 2020-08-10 22:51:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 459e3808de02167d82be18fd777ef3e4 SHA-1: ea4d126fc86c2a183d0633c8268c564d3fe42f62 SHA-256: b2016beecb1817e6882fe33e94ec806aa7f82841c35a5036b0891fe97527b8c9
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=hindu+girl+baby+name+list+pdf'. Another critical heuristic indicates a large number of external PDF links, suggesting a link farm designed to manipulate search engine results or distribute malicious content. The document body, though partially corrupted, also contains the malicious redirector URL and several Shopify-hosted PDF links, reinforcing the attack pattern.

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=hindu+girl+baby+name+list+pdf
    • http://nomixodef.stevenknightmedia.com/uploads/1/3/1/0/131070476/1c0fd8f.pdf
    • http://files.cookiesbykristin.com/uploads/1/3/0/9/130969477/nesubigifatajosid.pdf
    • http://wokip.spiritdrivenevents.com/uploads/1/3/2/3/132302978/418238.pdf
    • http://files.jillkellerpeters.com/uploads/1/3/0/8/130874524/jexolamagu-tataxegivipenu-ramolujililer-rikuxux.pdf
    • http://files.iccathletics.com/uploads/1/3/0/7/130738971/najojimajoroxi.pdf
    • https://cdn.shopify.com/s/files/1/0437/9879/0301/files/ripoduwesogusafanob.pdf
    • https://cdn.shopify.com/s/files/1/0432/1801/0274/files/sirufu.pdf
    • https://cdn.shopify.com/s/files/1/0440/1060/2661/files/87528039855.pdf
    • https://cdn.shopify.com/s/files/1/0432/6565/4946/files/act_reading_practice_tests.pdf
    • https://cdn.shopify.com/s/files/1/0433/4790/2622/files/tofosi.pdf
    • https://cdn.shopify.com/s/files/1/0431/3183/0421/files/vernier_calliper_practical.pdf
    • https://cdn.shopify.com/s/files/1/0431/2521/1296/files/xotarotinajodixitew.pdf
    • https://cdn.shopify.com/s/files/1/0434/0449/2950/files/vipodutolagodasaban.pdf
    • https://cdn.shopify.com/s/files/1/0434/6953/7432/files/91895610774.pdf
    • https://cdn.shopify.com/s/files/1/0433/5144/1562/files/wiwejivofagudonowud.pdf
    • https://cdn.shopify.com/s/files/1/0439/3887/3512/files/94133714485.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_off0000961f.bin
d9b41904ac254da89e829d33fce37e5aedc4fd742e26ff57b2b9f105f1d46b1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x961F 5564 bytes
font_01_sfnt_off0000a8ec.bin
4dc37e5744ea02ce32b7d60854f7fb0cd3986cb2c5ceb2faaf1924e237f61ba1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA8EC 10088 bytes

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