Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd092f7be4cdc361…

MALICIOUS

PDF

45.5 KB Created: 2020-08-18 22:55:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 703cb4995ccbe9460ee92c56a5380c38 SHA-1: 3c4394bc09922a78011416b417a4a72978cb2848 SHA-256: dd092f7be4cdc361eb69d5b0751cadd019d693d0f7f4cccbd8c5719cefed9c33
128 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as a download button, intended to lure the user to a harmful site. It also features a link farm, suggesting an attempt to manipulate search engine results or distribute content broadly. The primary malicious IOC is the redirector URL.

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.cc/pify?keyword=neet+2020+form+date
    • http://files.heavenbeckons.com/uploads/1/3/0/7/130775786/db2b83ad648.pdf
    • http://files.sweetvanillapatisserie.com/uploads/1/3/1/8/131856212/butaxiluwojawobu.pdf
    • http://files.erinbednarz.com/uploads/1/3/0/8/130814050/ad08cdac.pdf
    • http://files.driftlessareawetlandcentre.com/uploads/1/3/0/9/130969377/691eca19899ef1b.pdf
    • https://cdn.shopify.com/s/files/1/0433/3273/1030/files/wuxujirokozevasofuvu.pdf
    • https://cdn.shopify.com/s/files/1/0431/4189/0208/files/31250359600.pdf
    • https://cdn.shopify.com/s/files/1/0435/4657/5016/files/zoology_book_by_gazi_ajmal.pdf
    • https://cdn.shopify.com/s/files/1/0437/0900/5978/files/historia_de_brujas_belgica.pdf
    • https://cdn.shopify.com/s/files/1/0432/6408/2073/files/gikutosuxifapawebelikamep.pdf
    • https://cdn.shopify.com/s/files/1/0432/4874/6651/files/67997239218.pdf
    • https://cdn.shopify.com/s/files/1/0432/4697/7179/files/simple_form_for.pdf
    • https://cdn.shopify.com/s/files/1/0431/7600/1704/files/coleman_powermate_generator.pdf
    • https://cdn.shopify.com/s/files/1/0431/7731/2405/files/92665151127.pdf
    • https://cdn.shopify.com/s/files/1/0428/6365/7119/files/14648798768.pdf
    • https://cdn.shopify.com/s/files/1/0432/8056/4392/files/venixozulibuxawositigej.pdf
    • https://cdn.shopify.com/s/files/1/0433/2873/3352/files/27499236100.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_off000074e7.bin
878389fc8ad61bc0bb98443c893f3bd2df35bb8e6b934778d2315190e4a215bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74E7 5084 bytes
font_01_sfnt_off0000861d.bin
e209efb6d7f23fdc05e6469ec2f3c141d34a4e6f5aad37376a367b2e248cffa8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x861D 10304 bytes

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