Malicious PDF — malware analysis report

Static analysis result for SHA-256 a25d2c05d1b5494c…

MALICIOUS

PDF

42.1 KB Created: 2020-08-06 05:54:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b66327cc38a8208a6c14fe7eec838ed3 SHA-1: 260582732a5ef8099192332a2257f3b88b0be096 SHA-256: a25d2c05d1b5494c40a2577d89f0889999cbcea40f7d2d2417062170ab111d26
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a high number of embedded links, many pointing to external resources, which is characteristic of SEO poisoning or link farm tactics. The primary malicious URL, 'https://ttraff.cc/pify?keyword=technical+analysis+for+the+financial+markets+by+john+murphy+pdf', is identified as a redirector to malicious infrastructure. The document body, though heavily obfuscated, contains references to the same URL and other PDF files, reinforcing the lure.

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.cc/pify?keyword=technical+analysis+for+the+financial+markets+by+john+murphy+pdf
    • http://files.mantramelts.co.uk/uploads/1/3/1/4/131407148/6131361.pdf
    • http://nuwifotul.pulaskicadets.org/uploads/1/3/2/7/132740541/tekok-rasuzoberekeve-sedetixedu.pdf
    • http://files.kellykadera.com/uploads/1/3/2/6/132681576/vabojibajezi_diwew.pdf
    • http://files.mooziesplaycafe.com/uploads/1/3/0/8/130813135/1996790.pdf
    • http://files.catholicconundrum.com/uploads/1/3/0/7/130775336/xebid-xiduxijipi-pemibilizebiv-rofevusisipuxe.pdf
    • https://cdn.shopify.com/s/files/1/0432/0831/0943/files/is_there_any_video_editor_without_watermark.pdf
    • https://cdn.shopify.com/s/files/1/0430/1353/7951/files/13362664935.pdf
    • https://cdn.shopify.com/s/files/1/0439/4529/6027/files/pdf_bestanden_kleiner_maken_mac.pdf
    • https://cdn.shopify.com/s/files/1/0440/2728/1558/files/563018742.pdf
    • https://cdn.shopify.com/s/files/1/0437/4121/6929/files/91374662276.pdf
    • https://cdn.shopify.com/s/files/1/0447/2481/3977/files/no_man_s_sky_thermic_condensate.pdf
    • https://cdn.shopify.com/s/files/1/0429/3433/7695/files/poxitejome.pdf
    • https://cdn.shopify.com/s/files/1/0435/8130/9085/files/fedawugudodugelodipoja.pdf
    • https://cdn.shopify.com/s/files/1/0431/3173/2132/files/47606468216.pdf
    • https://cdn.shopify.com/s/files/1/0430/4489/6917/files/zaketediweluwo.pdf
    • https://cdn.shopify.com/s/files/1/0437/5258/7415/files/fiwezolirir.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_off000051e7.bin
534f7c78e9810a047c7c1b280eac09734de47e124c42c9c49c13f35c1ce2fd11
pdf-font-stream PDF embedded font (sfnt) at offset 0x51E7 5728 bytes
font_01_sfnt_off00006542.bin
f930e649c16adc0705172789fe0b9c8fe7db2617325dd8e4e36e301dd181b1bf
pdf-font-stream PDF embedded font (sfnt) at offset 0x6542 9068 bytes
font_02_sfnt_off00008465.bin
4354bd37e85197a997b2f6c8c8698034d2711068b41d1b66819094364c364bcc
pdf-font-stream PDF embedded font (sfnt) at offset 0x8465 16544 bytes