Malicious PDF — malware analysis report

Static analysis result for SHA-256 e25d66d62082889f…

MALICIOUS

PDF

52.8 KB Created: 2020-08-16 20:29:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 336a69688f026ae82497ab94f0683978 SHA-1: 732f99246178978ad2cff19d336f3c455810d494 SHA-256: e25d66d62082889fc4954d0c13134df2137e4adee8e641f8fe7ccff57ddabd41
168 Risk Score

Malware Insights

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

The PDF file contains a lure related to 'Apc jeans fit guide' and includes a link to 'ttraff.com', which is flagged as a malicious redirector. The document also contains a large number of links to Shopify-hosted PDFs, suggesting a link farm for SEO poisoning or traffic redirection. The overall pattern indicates an advance-fee scam or phishing attempt designed to redirect users to malicious infrastructure.

Heuristics 5

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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=apc+jeans+fit+guide
    • http://files.ana-lopes.com/uploads/1/3/0/7/130740249/punaxoparekuvu.pdf
    • https://cdn.shopify.com/s/files/1/0432/8492/2526/files/macho_man_song.pdf
    • https://cdn.shopify.com/s/files/1/0435/1708/3803/files/39828837580.pdf
    • https://cdn.shopify.com/s/files/1/0433/4796/8149/files/16462665506.pdf
    • https://cdn.shopify.com/s/files/1/0444/0460/5094/files/brentuximab_vedotin_fda.pdf
    • https://cdn.shopify.com/s/files/1/0434/3175/5932/files/pameb.pdf
    • https://cdn.shopify.com/s/files/1/0431/1321/8199/files/xufapabobo.pdf
    • https://cdn.shopify.com/s/files/1/0431/0440/3613/files/penekuwolofelewe.pdf
    • https://cdn.shopify.com/s/files/1/0432/0903/1840/files/avr_sleep._h.pdf
    • https://cdn.shopify.com/s/files/1/0431/5214/6587/files/famuwovodotagaposolezudu.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kemulubu.pdf
    • https://cdn.shopify.com/s/files/1/0428/8030/3263/files/jerariwulopatas.pdf
    • https://cdn.shopify.com/s/files/1/0433/8358/6974/files/99615949479.pdf
    • https://cdn.shopify.com/s/files/1/0438/1920/4765/files/bumovafumuz.pdf
    • https://cdn.shopify.com/s/files/1/0429/1425/0905/files/anticipation_trey_songz.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008b51.bin
ed0247e4bf390309a11f90eb56550b72f3b3eb3976b7b4e81a7e0e78bad19912
pdf-font-stream PDF embedded font (sfnt) at offset 0x8B51 5260 bytes
font_01_sfnt_off00009d49.bin
78940f64013a402934710f6b6c0897deb94a1f7499118fdc5c82e70834598b5c
pdf-font-stream PDF embedded font (sfnt) at offset 0x9D49 13028 bytes