Malicious PDF — malware analysis report

Static analysis result for SHA-256 59fb285a42543618…

MALICIOUS

PDF

48.5 KB Created: 2020-08-21 13:06:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1acc3be058244c7e470c99ac3b94ee39 SHA-1: 2f6732d4de71dbce712dcd32babbd0cc720fdfbf SHA-256: 59fb285a425436182cdad5d235075a1d02cbc072048aca4274367e87b83dc857
128 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to ttraff.com. Additionally, it exhibits a PDF link farm heuristic, with many links pointing to Shopify-hosted PDFs. The document body also contains a call-to-action phrase, suggesting a lure to click the embedded malicious link. 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=alpari+uk+mt4
    • http://rezagixof.beautydocuk.com/uploads/1/3/2/7/132740373/puzekifaj.pdf
    • http://files.jvstuff.com/uploads/1/3/1/0/131070718/xonanukerowasidaf.pdf
    • https://cdn.shopify.com/s/files/1/0427/7121/8588/files/14768021312.pdf
    • https://cdn.shopify.com/s/files/1/0431/1518/4295/files/41211144634.pdf
    • https://cdn.shopify.com/s/files/1/0430/9801/3863/files/24871866463.pdf
    • https://cdn.shopify.com/s/files/1/0428/5893/8531/files/cg_vyapam_bed_ded_answer_key_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0437/1460/9305/files/weather_report_live_album.pdf
    • https://cdn.shopify.com/s/files/1/0435/3500/7893/files/jepuxuwovuvememogogegexul.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38692385895.pdf
    • https://cdn.shopify.com/s/files/1/0437/3191/0810/files/53780423346.pdf
    • https://cdn.shopify.com/s/files/1/0437/6671/0426/files/kemuroz.pdf
    • https://cdn.shopify.com/s/files/1/0432/4166/8770/files/mujij.pdf
    • https://cdn.shopify.com/s/files/1/0434/3277/1750/files/50440404940.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_off00007297.bin
68c5b2e2abdc4d637d5d17de49b9b5a85592f403a34f7085ab1b2654c30eec4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7297 3800 bytes
font_01_sfnt_off0000801f.bin
a07009c9df6c71c19dcda29125737c376f9509e6b0d89b20bec081dffdc2dce1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x801F 4928 bytes
font_02_sfnt_off000090d1.bin
e6b5587fc1b667d7e991bf0b6eb472757fbb68ee56b491261dcc87c62f3670d7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x90D1 11036 bytes

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