Malicious PDF — malware analysis report

Static analysis result for SHA-256 bde8f70203020223…

MALICIOUS

PDF

46.2 KB Created: 2020-09-20 06:01:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 783a73dd99aa85b84665720599d83639 SHA-1: 33b72d065314de04651968af733f4a087659c4f3 SHA-256: bde8f70203020223f1d578ae3b534d2732bbe2dbc03df5ad4a98967eb486666d
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to `https://ttraff.club/wix?keyword=a+love+to+last+july+21st`. The document body also contains this URL and numerous other PDF links, suggesting a link farm or redirection strategy. The primary intent appears to be luring the user to click the malicious link, likely for a phishing or malware distribution campaign.

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=a+love+to+last+july+21st
    • http://files.ceciliatueros.com/uploads/1/3/0/9/130969080/fazizefovud.pdf
    • http://jfeltsart.com/uploads/1/3/1/4/131437423/e878ece2.pdf
    • http://xevubi.greenapplegarden.org/uploads/1/3/1/4/131483418/7ab1b2d.pdf
    • https://cdn.shopify.com/s/files/1/0431/1344/7581/files/fikolixedesexobav.pdf
    • https://cdn.shopify.com/s/files/1/0431/1236/6241/files/refraction_of_light_through_prism.pdf
    • https://cdn.shopify.com/s/files/1/0439/3782/4926/files/degiwaxubajepibagad.pdf
    • https://cdn.shopify.com/s/files/1/0431/8153/9488/files/89358424046.pdf
    • https://cdn.shopify.com/s/files/1/0434/0373/9294/files/74276446408.pdf
    • https://cdn.shopify.com/s/files/1/0434/4525/6352/files/aetna_better_health_reconsideration_form_va.pdf
    • https://cdn.shopify.com/s/files/1/0429/8211/3433/files/nizutisoraxovo.pdf
    • https://cdn.shopify.com/s/files/1/0437/6032/0663/files/xudunojasapowo.pdf
    • https://cdn.shopify.com/s/files/1/0431/5742/2229/files/dofudabepepibikejunizu.pdf
    • https://cdn.shopify.com/s/files/1/0438/8565/8280/files/chhaila_bihari_ka_video_song.pdf
    • https://cdn.shopify.com/s/files/1/0434/8359/4909/files/50403176495.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_off0000784d.bin
c00a2c87c17450019dd26e270b890a2c46499dc5001fed03be4cb4579ca44edc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x784D 4996 bytes
font_01_sfnt_off00008978.bin
c5320d69160398cbd57a82e323dcf97dc5506fd8e32f6c49bcce3c6d00cd6f1c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8978 10128 bytes

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