Malicious PDF — malware analysis report

Static analysis result for SHA-256 75f4d9b4b7e51884…

MALICIOUS

PDF

59.3 KB Created: 2020-08-11 16:33:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b36f03bcbb898b90855bd54cb160f368 SHA-1: a9b65a927b848103153b5613c6344ab685ebf526 SHA-256: 75f4d9b4b7e518844d6b4256833dbfa194f83f83c5906c3dfaa1f0d462cfa20a
160 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one specifically pointing to a known malicious redirector. The heuristic 'SE_ADVANCE_FEE_SCAM_LURE' indicates the document's content is designed to deceive users with promises of funds or prizes, requiring further action like parcel delivery. This strongly suggests a phishing or advance-fee fraud attempt. No scripts were extracted from this sample.

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.com/pify?keyword=a2z+banking+awareness+capsule+pdf
    • http://files.mindfulfootprint.com/uploads/1/3/2/6/132681690/fexotab.pdf
    • http://files.nottingham-north.org.uk/uploads/1/3/1/3/131398598/59850.pdf
    • http://files.activediabetics.com/uploads/1/3/1/4/131408741/3325634a4e95c1e.pdf
    • http://files.rhealcosmetics.com/uploads/1/3/0/8/130874400/9118819.pdf
    • https://cdn.shopify.com/s/files/1/0431/7993/3862/files/depebujewukid.pdf
    • https://cdn.shopify.com/s/files/1/0429/5340/8675/files/ge_stoves_manual.pdf
    • https://cdn.shopify.com/s/files/1/0428/9367/2604/files/44229416305.pdf
    • https://cdn.shopify.com/s/files/1/0430/7232/3737/files/65163169519.pdf
    • https://cdn.shopify.com/s/files/1/0431/0820/4704/files/tijugelukelo.pdf
    • https://cdn.shopify.com/s/files/1/0435/4415/0165/files/ccvcc_word_list.pdf
    • https://cdn.shopify.com/s/files/1/0431/2052/5476/files/tikejolurotinikivut.pdf
    • https://cdn.shopify.com/s/files/1/0428/5746/3971/files/16536725220.pdf
    • https://cdn.shopify.com/s/files/1/0434/3001/9237/files/atomic_structure_class_11_mcq.pdf
    • https://cdn.shopify.com/s/files/1/0431/4677/2646/files/madibirolom.pdf
    • https://cdn.shopify.com/s/files/1/0432/8787/1646/files/fozofojozebobofozamex.pdf
    • https://cdn.shopify.com/s/files/1/0437/2866/6785/files/novela_el_alferez_real.pdf
    • https://cdn.shopify.com/s/files/1/0437/3259/8938/files/sociology_books_free_download.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007484.bin
d1a79df9749282ec29541ef02a3287c40a402a241d1c5eb99ef34aaac971d6b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7484 1832 bytes
font_01_sfnt_off00007d64.bin
fbae3d2eaa2e7f7ee6b96a45ae75904615132a463cf0a507335818c35884a648		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D64 5792 bytes
font_02_sfnt_off00009134.bin
a4305702bcb1c33c7c33c0d9947f60a91a36bbd631635a4661beb929b1e13b97		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9134 9032 bytes
font_03_sfnt_off0000a381.bin
037ea01a88ddb67ca7953ec97274f8e931824f9a84fc5b07b392af203402bca5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA381 11264 bytes
font_04_sfnt_off0000c9af.bin
4d350e5038c271c58d35ce43350ea47aa452bbce1de11fa54ea98f550c0c430f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC9AF 16124 bytes

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