Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbc910149038a1d1…

MALICIOUS

PDF

46.5 KB Created: 2020-09-01 08:31:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: cc7993a98756b67cb6e7815051324ce1 SHA-1: c1c7b29e529df7330e99275b848de72ff767265d SHA-256: bbc910149038a1d16adcb6d04e1ba31fd8b661b42f3107368ae9269772cf39c7
160 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for an advance-fee scam lure, indicating it is designed to trick users into parting with money or information. It also contains a malicious redirector link pointing to 'ttraff.ru', which is likely part of a phishing or scam campaign. The document body, though heavily obfuscated, contains text related to 'hhs poverty guidelines' and a URL, reinforcing the lure. The presence of a link farm further suggests an attempt to distribute malicious content.

Heuristics 4

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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.ru/wix?keyword=hhs+poverty+guidelines+for+affidavit+of+support
    • https://cdn.shopify.com/s/files/1/0431/6214/0840/files/81854436035.pdf
    • https://cdn.shopify.com/s/files/1/0431/9114/0512/files/devexpress_report_designer_add_datasource.pdf
    • https://cdn.shopify.com/s/files/1/0437/2630/7480/files/8450887692.pdf
    • https://cdn.shopify.com/s/files/1/0463/1262/0192/files/59452565350.pdf
    • https://cdn.shopify.com/s/files/1/0438/5511/8501/files/54116645213.pdf
    • https://cdn.shopify.com/s/files/1/0432/3033/1047/files/xodivuw.pdf
    • https://cdn.shopify.com/s/files/1/0463/5803/6646/files/acer_aspire_v.pdf
    • https://cdn.shopify.com/s/files/1/0435/5738/8437/files/dental_anatomy_coloring_book.pdf
    • https://cdn.shopify.com/s/files/1/0432/6768/6558/files/95006657043.pdf
    • https://cdn.shopify.com/s/files/1/0432/4232/4125/files/captopril_25_mg_bula.pdf
    • https://cdn.shopify.com/s/files/1/0432/4176/7072/files/alienware_aurora_r8.pdf
    • https://cdn.shopify.com/s/files/1/0433/2778/3080/files/24896173123.pdf
    • https://cdn.shopify.com/s/files/1/0435/8933/7256/files/interview_questions_on_javascript_for_freshers_with_answers.pdf
    • https://cdn.shopify.com/s/files/1/0433/0763/0747/files/kunena_forum_templates.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_off000075b2.bin
de97419ed05108f19ca81d0a3b08b529553bf23c852709198af5f9c491a5d0c0
pdf-font-stream PDF embedded font (sfnt) at offset 0x75B2 5424 bytes
font_01_sfnt_off0000882e.bin
8182502d057375f7f6395d3822802bcb8c2803401f79915552019a9720eb7687
pdf-font-stream PDF embedded font (sfnt) at offset 0x882E 10840 bytes