Malicious PDF — malware analysis report

Static analysis result for SHA-256 d353f61f4fd87d9f…

MALICIOUS

PDF

47.7 KB Created: 2020-09-17 17:13:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 451063324b5b3d039e9d6cd1c1c4153b SHA-1: 78e5313376156425cebfe96ade14d37f7a63593e SHA-256: d353f61f4fd87d9fff9c01481558d70b2eee936580e7e0e0148bf386de8482e8
120 Risk Score

Malware Insights

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

The PDF contains a deceptive link presented as 'Religion crossword puzzle answers for today'. This link, `https://ttraff.club/wix?keyword=religion+crossword+puzzle+answers+for+today`, redirects to malicious infrastructure, indicating a phishing or social engineering attempt. The document also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external PDF files, likely to manipulate search engine results or distribute further malicious content.

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.club/wix?keyword=religion+crossword+puzzle+answers+for+today
    • http://files.dangribben.com/uploads/1/3/1/4/131453560/9714675.pdf
    • http://files.biofouling.net/uploads/1/3/2/7/132710491/5dc3640633.pdf
    • http://files.stephanienogueras.com/uploads/1/3/1/6/131636914/xonojebe.pdf
    • http://vasemu.abautodetailing.com/uploads/1/3/1/6/131606201/dupazagoxawebi.pdf
    • http://xokofa.raquelharrington.com/uploads/1/3/0/9/130969551/wigevobagi.pdf
    • http://bawemit.harborimpactministries.com/uploads/1/3/1/4/131437919/717692.pdf
    • https://cdn.shopify.com/s/files/1/0441/4255/9384/files/peperibofovu.pdf
    • https://cdn.shopify.com/s/files/1/0431/5768/4375/files/etiologi_keratosis_seboroik.pdf
    • https://cdn.shopify.com/s/files/1/0430/5872/5018/files/jiwaba.pdf
    • https://cdn.shopify.com/s/files/1/0463/3873/6284/files/sample_acknowledgement_for_project_report_in_engineering.pdf
    • https://cdn.shopify.com/s/files/1/0437/4393/6673/files/31605500234.pdf
    • https://cdn.shopify.com/s/files/1/0428/1437/4047/files/libro_por_trece_razones_edad_recomendada.pdf
    • https://cdn.shopify.com/s/files/1/0428/3075/8054/files/funasedinepotededavemivu.pdf
    • https://cdn.shopify.com/s/files/1/0434/2035/2677/files/sarkari_result_chsl_2017_answer_key.pdf
    • https://cdn.shopify.com/s/files/1/0435/2439/1067/files/70923079800.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_off00006cb5.bin
5ec02620e06b65821f22fe814a1cb72600ccdcc2b13b0bc9da1f9c5bdf6bb132
pdf-font-stream PDF embedded font (sfnt) at offset 0x6CB5 5456 bytes
font_01_sfnt_off00007f73.bin
76dcc98747e3ef32b951b0b689c1a3121b3c61b30cc7c005ef804adf558d43f5
pdf-font-stream PDF embedded font (sfnt) at offset 0x7F73 10520 bytes
font_02_sfnt_off0000a35c.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c
pdf-font-stream PDF embedded font (sfnt) at offset 0xA35C 4324 bytes