Malicious PDF — malware analysis report

Static analysis result for SHA-256 2224e2772fc322e9…

MALICIOUS

PDF

55.9 KB Created: 2020-08-19 20:25:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 787e1731d86253263c13f6fce71dc19f SHA-1: 277404685a9878e94b1312e00ce45c66f4d2b3d2 SHA-256: 2224e2772fc322e9aa7c14d27c40e06eaf971566f975ab7336beb89d8d8e7087
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in

The PDF contains a large number of external links, many of which point to PDF files hosted on various domains. One of these links, 'https://ttraff.com/pify?keyword=daybreak+series+parents+guide', is identified as a malicious redirector. This suggests the document is designed to lure users into clicking these links, potentially leading them to malicious websites or further malware downloads.

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=daybreak+series+parents+guide
    • http://files.carolynamurao.com/uploads/1/3/0/7/130739688/wipugezowomonewi.pdf
    • http://files.villagesbmwzclub.com/uploads/1/3/0/9/130969235/1be39e0ee0.pdf
    • http://files.ryleyskelton.com/uploads/1/3/2/7/132740309/zozez.pdf
    • http://files.carlock-stpauls.org/uploads/1/3/1/0/131070246/mefulegelexobib.pdf
    • http://leramam.stcyrilorlando.org/uploads/1/3/1/1/131164250/d3db02779e1.pdf
    • https://cdn.shopify.com/s/files/1/0434/0118/3384/files/30393783269.pdf
    • https://cdn.shopify.com/s/files/1/0432/6585/1542/files/80257821027.pdf
    • https://cdn.shopify.com/s/files/1/0429/8512/8090/files/68035958959.pdf
    • https://cdn.shopify.com/s/files/1/0434/0223/1971/files/family_fued_online.pdf
    • https://cdn.shopify.com/s/files/1/0431/5794/6522/files/rekoguperosapupob.pdf
    • https://cdn.shopify.com/s/files/1/0428/3544/3871/files/tutupesisig.pdf
    • https://cdn.shopify.com/s/files/1/0432/0935/9520/files/mudarurewujalosokezufelo.pdf
    • https://cdn.shopify.com/s/files/1/0431/6001/0906/files/tajigopuwomemusunoxajojet.pdf
    • https://cdn.shopify.com/s/files/1/0430/4217/7181/files/56745261681.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_off00009b34.bin
38710ad240122689377e2ac23a060c9bb5aa08ead6d2a7a2d54f6c2bfed30d82		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9B34 5400 bytes
font_01_sfnt_off0000ada6.bin
829a7ddea25e59bf37370629e45831d44e8612c8ac36f3629272ef10da6c13e4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xADA6 10864 bytes

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