Malicious PDF — malware analysis report

Static analysis result for SHA-256 fceb0f295a7f21a3…

MALICIOUS

PDF

49.4 KB Created: 2020-09-18 23:12:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7fddda34bab46fd230b731ec5c71b068 SHA-1: 30872af0e5f0d5f5656be0f1d99217874afafbc0 SHA-256: fceb0f295a7f21a3a213649d22f43b1da596bb69ea4564e8bb3dfaf24e70df7d
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in

The PDF file contains a large number of embedded links, many of which point to suspicious domains and redirectors. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that at least one link leads to known malicious infrastructure. The 'PDF_SEO_LINK_FARM' heuristic suggests the document is designed to generate traffic to numerous external PDF files, likely as part of a link farm or SEO manipulation scheme to distribute malicious content. No scripts were extracted, and the document body is heavily obfuscated, but the presence of numerous suspicious URLs strongly suggests a malicious intent to redirect users to harmful sites.

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.link/wix?keyword=black+church+anniversary+themes
    • http://badezomes.gracebaptistlockport.com/uploads/1/3/1/6/131636648/8672001.pdf
    • http://files.madeinthehood.co.uk/uploads/1/3/1/4/131455463/606861.pdf
    • http://lajafomo.thetravelingeo.com/uploads/1/3/0/7/130738511/ratonoxavi-jenosuno-tiregawojam-mufisakifitem.pdf
    • http://fanex.philcohomes.com/uploads/1/3/0/7/130739573/e0a83b8820ef72.pdf
    • http://limivik.creartistry.com/uploads/1/3/0/8/130813632/tumijasuv-bekewinuzul-widale-savipikomavo.pdf
    • https://ebbd097e-ed11-4507-9440-fdacf3d739e4.filesusr.com/ugd/9b7d8a_27cb711799604993bc8be84d129806ba.pdf?index=true
    • https://13eb43bc-7d47-412b-b232-cfae27947dcd.filesusr.com/ugd/1b6cec_867752edb3ff4b49a650b958266e1544.pdf?index=true
    • https://627675c0-d7b5-4661-8a5d-b90f233fe011.filesusr.com/ugd/e98895_afdf17890b294924a71c7f879f240427.pdf?index=true
    • https://98e74662-deda-46e0-bfe8-1c7e2c663521.filesusr.com/ugd/badafb_0b596471d2db4d5dbcb2dd266ab7f589.pdf?index=true
    • https://17c840ae-ef6a-4f23-90f9-eb64190e8c45.filesusr.com/ugd/0251f0_5c9081e5a96f4d1490b307e1fb886652.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0434/6901/3144/files/52828283119.pdf
    • https://cdn.shopify.com/s/files/1/0437/6281/1034/files/bagorugijoreki.pdf
    • https://cdn.shopify.com/s/files/1/0434/7287/9773/files/46592027255.pdf
    • https://cdn.shopify.com/s/files/1/0428/4504/4902/files/flowers_images_png_format.pdf
    • https://cdn.shopify.com/s/files/1/0437/9649/6544/files/43978877287.pdf
    • https://cdn.shopify.com/s/files/1/0440/9743/7848/files/7578450505.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_off00007625.bin
6fb231799d192827a3f26b46247ee6b12a82df810f635fb64419db5d90087713		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7625 5088 bytes
font_01_sfnt_off00008742.bin
d8fc857e9bc441fabac4161606e50cd5c75c353ad7c11c982fae7a80ad1cd4e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8742 10552 bytes
font_02_sfnt_off0000aad1.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAAD1 4324 bytes

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