Malicious PDF — malware analysis report

Static analysis result for SHA-256 ede10ec9e6105fdd…

MALICIOUS

PDF

57.3 KB Created: 2020-08-26 17:12:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4b15b34afdfef2ec41e2c48e293d5bb1 SHA-1: b085c32340e087a2b3705b911a6b9a2f08c1c50d SHA-256: ede10ec9e6105fddff25d0391ee1366e07864e12f19afaff344c14d579c80f1e
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with a critical heuristic firing indicating a link farm designed to redirect to malicious infrastructure. The primary redirector URL is https://ttraff.com/pify?keyword=s6+manual+transmission. The document body, though heavily corrupted, contains text related to 'S6 manual transmission' and the authoring application, suggesting a lure to disguise the malicious link distribution.

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=s6+manual+transmission
    • http://files.priorykmht.org/uploads/1/3/1/4/131482991/bewegaramumuj_finofigebovo_fukas_rojipoxagafepu.pdf
    • http://files.jeffcrowell.com/uploads/1/3/1/6/131606666/2dcc4.pdf
    • http://files.restonsusedbookshop.com/uploads/1/3/2/6/132681851/lasaduvinizaj-mefemogogosafax-kivut-kowaridaserof.pdf
    • https://cdn.shopify.com/s/files/1/0431/5335/8999/files/remeranevivopodap.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dijev.pdf
    • https://cdn.shopify.com/s/files/1/0430/4902/5690/files/wepowudefamenadukodem.pdf
    • https://cdn.shopify.com/s/files/1/0431/7950/7880/files/applied_research_definition.pdf
    • https://cdn.shopify.com/s/files/1/0430/0183/9775/files/test_de_ansiedad_y_depresion_de_beck.pdf
    • https://cdn.shopify.com/s/files/1/0458/5596/5337/files/collingwood_theme_song_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0430/8510/3255/files/29705976881.pdf
    • https://cdn.shopify.com/s/files/1/0435/9792/2461/files/money_is_the_answer_to_everything_book.pdf
    • https://cdn.shopify.com/s/files/1/0437/2093/3528/files/saxode.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_off00008e7a.bin
ad9078085d4b69a7a17c439d8b1df2e990e88d981452528d9d2ad02b9931f031		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E7A 5088 bytes
font_01_sfnt_off00009f9c.bin
4791bdea424af9f5f9b894f3d0dc29a5e489cdf1709291d64917264b2608507d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9F9C 10568 bytes
font_02_sfnt_off0000c3f4.bin
713933360072c9d59346590fad668f98c3603c6d2b72ed941ce85481f6af0b74		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC3F4 16060 bytes

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