Malicious PDF — malware analysis report

Static analysis result for SHA-256 a440225482a16bc8…

MALICIOUS

PDF

48.8 KB Created: 2020-08-23 15:55:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 66b287ed1cab4c18516a68630ca11f9c SHA-1: d245d0a69f3f99d7e67b028b5bc76c63efe1f82e SHA-256: a440225482a16bc8268e91c819e7f6586ba1e26086c7c382adee387ebc6b71df
120 Risk Score

Malware Insights

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

The PDF document contains a link to a known malicious redirector, ttraff.com, disguised with a search query related to 'Showbox not working on android box 2019'. This suggests a phishing or scam attempt to lure users to malicious infrastructure. The document also hosts a large number of external PDF links, many pointing to Shopify domains, likely as part of an SEO link farm to improve search engine ranking for the malicious 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=showbox+not+working+on+android+box+2019
    • http://files.tailoredrides.org/uploads/1/3/1/4/131438844/1720289.pdf
    • https://cdn.shopify.com/s/files/1/0439/7416/4638/files/adawat_novel.pdf
    • https://cdn.shopify.com/s/files/1/0428/8000/8355/files/wofodadijamuvulawut.pdf
    • https://cdn.shopify.com/s/files/1/0434/2507/1256/files/budesonide_formoterol_inhaler_instructions.pdf
    • https://cdn.shopify.com/s/files/1/0430/6255/8874/files/22842400165.pdf
    • https://cdn.shopify.com/s/files/1/0433/2562/0374/files/12392696774.pdf
    • https://cdn.shopify.com/s/files/1/0437/7296/9109/files/togikejagivozipezuvujebem.pdf
    • https://cdn.shopify.com/s/files/1/0437/9449/7698/files/afficheur_lcd_2x16_arduino.pdf
    • https://cdn.shopify.com/s/files/1/0432/2656/2722/files/63720254138.pdf
    • https://cdn.shopify.com/s/files/1/0431/2439/2087/files/free_online_accessibility_checker.pdf
    • https://cdn.shopify.com/s/files/1/0433/7300/2902/files/distinction_between_authoritarian_and_totalitarian_regimes.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zekimopesafirizaxos.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005ecf.bin
a336f7aa93372d1a05e0e69536456e75ee41d28c17cc631890475ef66d1431c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5ECF 5824 bytes
font_01_sfnt_off000072a0.bin
a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72A0 1800 bytes
font_02_sfnt_off00007b2d.bin
6b6dd329e163f67402ddc627e56617c4f99649d00c6045efcd3bf305c601d735		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B2D 10440 bytes
font_03_sfnt_off00009f0f.bin
0fbccf2179febe39ac8bec56bc47b258cb135adefb35ac5f0616982f312350a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9F0F 17056 bytes

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