Malicious PDF — malware analysis report

Static analysis result for SHA-256 37017677dd7c5374…

MALICIOUS

PDF

36.3 KB Created: 2020-08-22 13:50:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6733c237b7937a5c58062a53d322452f SHA-1: 6f271dfaf29c5079a5d8762fdf22b7cfc4d6b268 SHA-256: 37017677dd7c53745ef10b87035febdd9e7fe9daae58e236352cd9fc0a230dcf
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=alessandro+vilas+boas++cd'. This indicates the document's primary purpose is to lure the user to a potentially harmful external site. Additionally, a heuristic for a PDF link farm was triggered, suggesting the document is part of a larger SEO poisoning or link distribution scheme. The presence of numerous shopify.com links, while mostly benign, are used in conjunction with the malicious redirector.

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=alessandro+vilas+boas++cd
    • http://files.adventure-emporium.net/uploads/1/3/0/7/130740112/cb1335a3.pdf
    • https://cdn.shopify.com/s/files/1/0427/7331/5740/files/pioner_avic_f700bt.pdf
    • https://cdn.shopify.com/s/files/1/0433/3436/9438/files/material_requirement_planning_nptel.pdf
    • https://cdn.shopify.com/s/files/1/0432/1142/3902/files/rujegiviroruf.pdf
    • https://cdn.shopify.com/s/files/1/0433/0432/1184/files/catecismo_infantil_catolico.pdf
    • https://cdn.shopify.com/s/files/1/0432/2318/7616/files/all_english_synonyms_and_antonyms.pdf
    • https://cdn.shopify.com/s/files/1/0433/1077/6473/files/nefiwilugurobasupurodutu.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dutevitijenunolekegek.pdf
    • https://cdn.shopify.com/s/files/1/0440/6145/8582/files/xejixu.pdf
    • https://cdn.shopify.com/s/files/1/0457/3544/4646/files/nopexomelejeb.pdf
    • https://cdn.shopify.com/s/files/1/0430/2703/8359/files/begupezedev.pdf
    • https://cdn.shopify.com/s/files/1/0431/5935/5558/files/68136425388.pdf
    • https://cdn.shopify.com/s/files/1/0432/5585/7315/files/nuwonadon.pdf
    • https://cdn.shopify.com/s/files/1/0436/0205/1229/files/sapizesujuzagajapamo.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000433b.bin
553a86c2f42ddf692ecfc0d1838ef3daf55519f83def5a3ab3746dbf628fd3ad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x433B 4828 bytes
font_01_sfnt_off000053a1.bin
e8dcedf25076399a3035e9f456217910964dbb96222c6cd3d0cda3ce40a1c8a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53A1 10236 bytes
font_02_sfnt_off000076b1.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76B1 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.