Malicious PDF — malware analysis report

Static analysis result for SHA-256 445bc90a37661354…

MALICIOUS

PDF

49.1 KB Created: 2020-08-08 12:26:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 702df7840c5c480f5b28f599d9f403a2 SHA-1: fa057d37147574894cefbf7685dd0e7cb5befb70 SHA-256: 445bc90a376613549d69180da6a74e8701ca887dc6514b459983ca2400ad802e
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically 'https://ttraff.cc/pify?keyword=forever+living+aloe+vera+gelly+pdf'. This indicates the document is designed to redirect users to malicious infrastructure. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources, many of which are hosted on cdn.shopify.com. The document body, though heavily obfuscated, contains the same malicious URL and benign-looking URLs, reinforcing the lure.

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=forever+living+aloe+vera+gelly+pdf
    • http://files.mrburkholder.com/uploads/1/3/1/6/131606165/12493d891.pdf
    • http://files.michaelmaguire.com.au/uploads/1/3/0/8/130874612/naxugigiputu-xunujefoxujuka-zetepat.pdf
    • http://files.cads-tt.com/uploads/1/3/0/9/130969965/2f712.pdf
    • http://files.harmonyhealingtherapies.com/uploads/1/3/1/6/131607407/533548.pdf
    • http://files.revelationofyeshuamessiah.com/uploads/1/3/0/8/130813738/f837cc.pdf
    • https://cdn.shopify.com/s/files/1/0434/8857/5638/files/29431917281.pdf
    • https://cdn.shopify.com/s/files/1/0432/1263/6322/files/sojifiji.pdf
    • https://cdn.shopify.com/s/files/1/0428/3016/8230/files/wizowakozipowozifawo.pdf
    • https://cdn.shopify.com/s/files/1/0430/4424/1557/files/novesamus.pdf
    • https://cdn.shopify.com/s/files/1/0432/7168/4252/files/85748382678.pdf
    • https://cdn.shopify.com/s/files/1/0433/2955/2552/files/vezipeluvexotu.pdf
    • https://cdn.shopify.com/s/files/1/0437/3823/5031/files/99413366430.pdf
    • https://cdn.shopify.com/s/files/1/0432/7918/8118/files/ranoduwajanunonogi.pdf
    • https://cdn.shopify.com/s/files/1/0430/3536/1442/files/1409212165.pdf
    • https://cdn.shopify.com/s/files/1/0434/4276/5991/files/the_economist_magazine_june_2020.pdf
    • https://cdn.shopify.com/s/files/1/0429/7385/5903/files/95073755629.pdf
    • https://cdn.shopify.com/s/files/1/0448/2056/2077/files/schistosome_life_cycle.pdf
    • https://cdn.shopify.com/s/files/1/0430/0842/6147/files/37341914818.pdf
    • https://cdn.shopify.com/s/files/1/0432/4763/2548/files/82754173781.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_off00008262.bin
53b22007e63a57132dae056ceb210e9c0ee3c5b769fb49540d697a4a8c71e0ba
pdf-font-stream PDF embedded font (sfnt) at offset 0x8262 5148 bytes
font_01_sfnt_off0000940e.bin
d46646a805cbe1fcac7b1d01c1322183441c2951a7e94bfc8be94971ea8bd9de
pdf-font-stream PDF embedded font (sfnt) at offset 0x940E 10304 bytes