Malicious PDF — malware analysis report

Static analysis result for SHA-256 465218191502fbb5…

MALICIOUS

PDF

40.3 KB Created: 2020-08-31 15:42:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 83a2fc96fa8eab25f1ddd859490e19c1 SHA-1: 68ee2ad32d5441883a9c501a4807cf04c4c12b08 SHA-256: 465218191502fbb55b33bec6f9f5a65cdd3398070761d15b02b37a45fb615ebc
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, many pointing to Shopify domains, which is indicative of a link farm or SEO manipulation tactic. One of the primary links, 'https://ttraff.com/wix?keyword=battery+charge+indicator+apps+android', is flagged as a known malicious redirector. While no scripts were extracted, the presence of a malicious redirector and the sheer volume of links suggest an attempt to lure users to malicious sites or to manipulate search engine rankings.

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/wix?keyword=battery+charge+indicator+apps+android
    • https://cdn.shopify.com/s/files/1/0461/9757/1737/files/ignou_bed_online_form_2020.pdf
    • https://cdn.shopify.com/s/files/1/0431/1131/7658/files/rajubusibodevetanawed.pdf
    • https://cdn.shopify.com/s/files/1/0435/1282/3967/files/income_certificate_format.pdf
    • https://cdn.shopify.com/s/files/1/0437/1221/7241/files/delumedipixugog.pdf
    • https://cdn.shopify.com/s/files/1/0464/6171/4584/files/behind_enemy_lines_full_movie.pdf
    • https://cdn.shopify.com/s/files/1/0432/3688/4642/files/mukuxezolumixigurevanog.pdf
    • https://cdn.shopify.com/s/files/1/0432/2577/6288/files/wuzojukegilugusilegus.pdf
    • https://cdn.shopify.com/s/files/1/0431/7895/0810/files/nuxubabudubefapagirewibal.pdf
    • https://cdn.shopify.com/s/files/1/0438/7205/9547/files/71032809724.pdf
    • https://cdn.shopify.com/s/files/1/0433/4508/4574/files/mazutojetujowekav.pdf
    • https://cdn.shopify.com/s/files/1/0435/8343/9011/files/cameroon_culture.pdf
    • https://cdn.shopify.com/s/files/1/0441/2047/3752/files/hey_there_delilah_piano_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0435/1059/5748/files/apa_manual_6th_edition_ebook_free.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_off00005f80.bin
9a9b9f63badea867340788324fcc5d7aaf49796fc0568eb64e529ee48567b73d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F80 5452 bytes
font_01_sfnt_off00007211.bin
bb2d260d0a45997818e4c0d6017800dc1c5ac8aa0b1d11e820c63c143d9fe683		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7211 10128 bytes

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