Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed9fab034343b42a…

MALICIOUS

PDF

55.0 KB Created: 2020-08-21 14:43:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fe7aa1f4c8af9a3fa7e3111da28b2903 SHA-1: 34a1dd2663586a4549d55ab8fa5c07d342d401a2 SHA-256: ed9fab034343b42a2e25150d8abf16d761b49fac853b3b9e8d506728fc24fa22
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector. The document body contains the URL 'https://ttraff.com/pify?keyword=march+past+commands+pdf', which is likely intended to redirect the user to a malicious site. The presence of numerous links to Shopify-hosted PDFs suggests an attempt to obscure the malicious redirector by blending in with seemingly benign content.

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=march+past+commands+pdf
    • http://files.irishshepherdshuts.com/uploads/1/3/0/7/130776809/gojogujomepap-xugazivurig-vilenipepe.pdf
    • http://files.d2studios.com/uploads/1/3/0/7/130738596/daraw-wezefizelor-livubo-fuzifezike.pdf
    • http://totijozam.steppingstoneschildrencenter.com/uploads/1/3/0/7/130775448/8a1e6b.pdf
    • http://files.sanssacredcircle.com/uploads/1/3/1/4/131454255/dokowinataginaxuku.pdf
    • http://jilisasab.pointofviewmedia.com/uploads/1/3/0/8/130874493/287930.pdf
    • https://cdn.shopify.com/s/files/1/0429/3269/9292/files/wolagexujukuxalukuk.pdf
    • https://cdn.shopify.com/s/files/1/0430/5567/7591/files/jagef.pdf
    • https://cdn.shopify.com/s/files/1/0439/8927/0686/files/opera_browser_latest_full_version_free.pdf
    • https://cdn.shopify.com/s/files/1/0430/1615/9385/files/xasotujowafalok.pdf
    • https://cdn.shopify.com/s/files/1/0439/3166/4552/files/98037788546.pdf
    • https://cdn.shopify.com/s/files/1/0433/4705/0661/files/aashiqui_mein_teri_new_song_ringtone.pdf
    • https://cdn.shopify.com/s/files/1/0435/4048/0155/files/japanese_english_bilingual_visual_dictionary.pdf
    • https://cdn.shopify.com/s/files/1/0427/7973/8278/files/github_readme_template.pdf
    • https://cdn.shopify.com/s/files/1/0432/2243/3953/files/wegid.pdf
    • https://cdn.shopify.com/s/files/1/0433/0553/3604/files/90635658858.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_off000099f0.bin
4760cb639003afc2ba7d34daadec22e24f85b418a697319fa5537925c03ecb80		 pdf-font-stream PDF embedded font (sfnt) at offset 0x99F0 5368 bytes
font_01_sfnt_off0000ac0c.bin
51f7964f470c3028131ff455b8638008226b190db4b9fdd958212e357cff4952		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAC0C 10380 bytes

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