Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb9fd1dba06ff29e…

MALICIOUS

PDF

81.8 KB Created: 2020-08-06 23:20:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6693d400c4c5dc43f6a1e0c70baf779c SHA-1: fe66362087455edb9b3689e2df0814b138328f73 SHA-256: eb9fd1dba06ff29e0c4a299343b4d6f803b96a4ec1c75bb2b88b8a385a8addb0
120 Risk Score

Malware Insights

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

The PDF contains embedded links that point to a known malicious redirector, ttraff.com. The document body, though heavily obfuscated, contains text related to essential oils and the URL itself, suggesting a lure for a phishing or scam campaign. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the malicious nature of the embedded link.

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=extraction+of+essential+oils+present+in+aniseed+carum+cardamom+pdf
    • http://files.nadco.us/uploads/1/3/2/6/132696274/ac432f2513b.pdf
    • http://files.moonwillowcrystals.com/uploads/1/3/0/9/130969433/vosijujose-duzeva-pafupipitogodo-sarubabuzak.pdf
    • http://files.wildsidedestinations.com/uploads/1/3/1/0/131069763/8480767.pdf
    • http://files.twinbaysforum.org/uploads/1/3/1/3/131380292/703330.pdf
    • http://files.susanmeehan.net/uploads/1/3/0/7/130739616/dofur_rogur.pdf
    • https://cdn.shopify.com/s/files/1/0434/3008/4760/files/6323836830.pdf
    • https://cdn.shopify.com/s/files/1/0434/3883/3816/files/ceiling_design_for_living_room.pdf
    • https://cdn.shopify.com/s/files/1/0453/9475/5752/files/millennials_consumer_behavior.pdf
    • https://cdn.shopify.com/s/files/1/0430/1042/4993/files/16028031761.pdf
    • https://cdn.shopify.com/s/files/1/0440/1024/2198/files/zobepukosononiximik.pdf
    • https://cdn.shopify.com/s/files/1/0434/3290/2806/files/14890758074.pdf
    • https://cdn.shopify.com/s/files/1/0429/6087/9772/files/1447562404.pdf
    • https://cdn.shopify.com/s/files/1/0430/8166/2613/files/mebutonesukutojefabagev.pdf
    • https://cdn.shopify.com/s/files/1/0430/2536/7193/files/equations_of_straight_lines.pdf
    • https://cdn.shopify.com/s/files/1/0428/1958/4166/files/23555958494.pdf
    • https://cdn.shopify.com/s/files/1/0434/8506/9477/files/73394477952.pdf
    • https://cdn.shopify.com/s/files/1/0436/8728/0790/files/kotijiwovapit.pdf
    • https://cdn.shopify.com/s/files/1/0430/9362/2935/files/dobikanosi.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_off0000fb01.bin
ea5f39a4ceba791772aa2f4814517dd5722aeea733a01686da649f7090e18245
pdf-font-stream PDF embedded font (sfnt) at offset 0xFB01 1728 bytes
font_01_sfnt_off0001031d.bin
d00c89673c0425ad51e9fed71c0e1d2364530dd0e409a59b138538f526dc2dd9
pdf-font-stream PDF embedded font (sfnt) at offset 0x1031D 5328 bytes
font_02_sfnt_off0001152e.bin
30a6a884abc113ab7329ccba584aa70368859db586d61c911ae41746fab34918
pdf-font-stream PDF embedded font (sfnt) at offset 0x1152E 10376 bytes