Malicious PDF — malware analysis report

Static analysis result for SHA-256 d8ee7dcaa71db0b2…

MALICIOUS

PDF

56.0 KB Created: 2020-08-18 16:47:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8cd3ed63d8fc7df3b0fdd71b0c9393d4 SHA-1: 0b2dfb8dd6cba4784612a05b0819b0731b2e394b SHA-256: d8ee7dcaa71db0b27694f321e63b3aff57236eff46842f3cc008110a851927f6
120 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is likely used to funnel victims to further malicious content. The document body and embedded links suggest a lure related to game mod downloads, aiming to trick users into clicking the malicious URL. The presence of numerous links to Shopify-hosted PDFs, while many are benign, indicates a link farm strategy to improve search engine ranking for the malicious lure.

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=blitzcrank+battle+mod+apk+revdl
    • http://files.maanatart.com/uploads/1/3/0/7/130738974/jamufe-bagoz-kalugale.pdf
    • http://diguda.mysteryshoppingonlinejob.com/uploads/1/3/1/4/131453598/rawufi.pdf
    • http://jidivoj.theteenspire.com/uploads/1/3/0/7/130775778/sonusuju.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/safuginogatujato.pdf
    • https://cdn.shopify.com/s/files/1/0441/4255/9384/files/kiditipemifibomovabexufi.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/metiliwetizo.pdf
    • https://cdn.shopify.com/s/files/1/0434/0862/1719/files/wiguzana.pdf
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/gatisukaraxesunazupu.pdf
    • https://cdn.shopify.com/s/files/1/0430/9562/1781/files/rerimozose.pdf
    • https://cdn.shopify.com/s/files/1/0434/5063/0296/files/11971742592.pdf
    • https://cdn.shopify.com/s/files/1/0436/1460/1378/files/jebifijukutosegidipulaki.pdf
    • https://cdn.shopify.com/s/files/1/0432/7325/7116/files/lexidamefuz.pdf
    • https://cdn.shopify.com/s/files/1/0431/7508/4193/files/best_python_book_for_beginners_download.pdf
    • https://cdn.shopify.com/s/files/1/0427/5650/5756/files/ansiedad_articulos.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_off00006b5c.bin
6c3ae33c85bd4d74423e7153371d7f0e47f1d342cf1689c237307dd4b514b8a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B5C 5192 bytes
font_01_sfnt_off00007cdd.bin
eb34e32aeb661f98d5cba5990590f94b05e0088639f51adb7e23422834954198		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CDD 3476 bytes
font_02_sfnt_off00008ab8.bin
1668396e3d59e5554f07523cb863cfd41780ca11ec4d3c0752a2fae1aafd58e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8AB8 10480 bytes
font_03_sfnt_off0000ae84.bin
f0724794f0b14a753df92d0768f6644f4845bcc31cc679adeae862361267173d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAE84 16276 bytes
font_04_sfnt_off0000c42a.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC42A 4324 bytes

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