Malicious PDF — malware analysis report

Static analysis result for SHA-256 e999a1206d20a916…

MALICIOUS

PDF

55.9 KB Created: 2020-08-14 19:00:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c18f7b76cae59e002f4e8a2c920899c0 SHA-1: 71dc1d85590db706152f345702db1edcaaeafcd6 SHA-256: e999a1206d20a916b6c91a108338c36770464a3202cd3dfa01710d1859185f8a
150 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a known malicious infrastructure, disguised with a search query for 'Mr bean cartoon in tamil hd'. This suggests a phishing or scam attempt to redirect users to malicious content. The PDF also contains a large number of links to other PDFs, indicating a link farm for SEO manipulation or traffic redirection. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.ru/pify?keyword=mr+bean+cartoon+in+tamil+hd
    • http://xutunisa.gugulethusiziba.org/uploads/1/3/0/8/130814017/nejajalelix.pdf
    • http://files.davejohnsoninteriors.com/uploads/1/3/0/7/130739084/seguwubafij_xajuzilezezopu.pdf
    • http://tikupisep.powerofayear.com/uploads/1/3/1/6/131637036/jasosoro.pdf
    • http://dunaj.oculonco.com/uploads/1/3/0/7/130740178/rawerakez-verab-nosimudojilerog.pdf
    • https://cdn.shopify.com/s/files/1/0432/6119/8500/files/xovoval.pdf
    • https://cdn.shopify.com/s/files/1/0440/3740/6870/files/94208845733.pdf
    • https://cdn.shopify.com/s/files/1/0437/2905/9992/files/89094326630.pdf
    • https://cdn.shopify.com/s/files/1/0431/5014/7733/files/63350668902.pdf
    • https://cdn.shopify.com/s/files/1/0451/1966/8377/files/double_jeopardy_movie_questions_and_answers.pdf
    • https://cdn.shopify.com/s/files/1/0429/8450/5498/files/75295095545.pdf
    • https://cdn.shopify.com/s/files/1/0431/2399/8874/files/pa_rct101_instructions.pdf
    • https://cdn.shopify.com/s/files/1/0432/2007/4663/files/87018346526.pdf
    • https://cdn.shopify.com/s/files/1/0428/5012/3932/files/bhopal_map.pdf
    • https://cdn.shopify.com/s/files/1/0432/4563/3691/files/16240062635.pdf
    • https://cdn.shopify.com/s/files/1/0437/8863/2213/files/how_to_add_approved_stamp_in.pdf
    • https://cdn.shopify.com/s/files/1/0434/8759/2608/files/23443275101.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
stream_004_off00006401.bin
3364efb481e0c15f69b3d9a7fb3571ad27b1f7ae78a7b1c95a38de24890589ab		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x6401 11452 bytes
font_00_sfnt_off000052bc.bin
16f05f14bce3f937cd78c181d13c772cee5f80ca4d1e8e2c7c12108cebe0573d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52BC 5148 bytes
font_02_sfnt_off0000817f.bin
d87f948e70d6b7a191971ff9cc90fcce902742730225ff7663958f1ab724391c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x817F 5952 bytes
font_03_sfnt_off000096d5.bin
6b6a75fa2bf3090d70f735ba6b373663795b8f294789459af07d62abcbdea6b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x96D5 10536 bytes
font_04_sfnt_off0000bb31.bin
149cab45689013e99d1aa520d2e5234663aa5d8577b6aae5e423b5d60aeda4c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBB31 16036 bytes

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