Malicious PDF — malware analysis report

Static analysis result for SHA-256 50b572519936416e…

MALICIOUS

PDF

39.4 KB Created: 2020-08-06 01:01:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7087710540e2c2c059c8b6b2676194d4 SHA-1: 4617734dacde384790d88dedfb7a7693f492ad2e SHA-256: 50b572519936416e365030f1eb54323a261710fb18315d57912a757c16a582eb
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 many links pointing to Shopify-hosted PDF files, likely as a SEO poisoning tactic. One of the primary links, 'https://ttraff.com/pify?keyword=the+barcode+tattoo+book+pdf', is identified as a malicious redirector. This suggests the document's purpose is to lure users through deceptive content to a malicious site, potentially for phishing or malware distribution.

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=the+barcode+tattoo+book+pdf
    • http://files.hannahbettsphotography.com/uploads/1/3/0/7/130776075/mevokokol.pdf
    • http://nikuwi.larrysecor.com/uploads/1/3/1/4/131483138/bixisisikejezibofuzu.pdf
    • http://files.dehoniansocialjustice.org/uploads/1/3/1/4/131407274/nonawebir.pdf
    • http://kilutaxil.guardiansfarm.com/uploads/1/3/1/3/131383314/zabadunitekide_pexigamutobuw.pdf
    • https://cdn.shopify.com/s/files/1/0433/8047/4014/files/lituperabulemugetomak.pdf
    • https://cdn.shopify.com/s/files/1/0432/8977/2187/files/consumer_reports_used_car_buying_guide.pdf
    • https://cdn.shopify.com/s/files/1/0430/4257/0401/files/remove_vocals_from_a_song_online.pdf
    • https://cdn.shopify.com/s/files/1/0430/8844/5604/files/sositafuxijezelo.pdf
    • https://cdn.shopify.com/s/files/1/0432/8646/2628/files/wibupokejazatetebada.pdf
    • https://cdn.shopify.com/s/files/1/0432/2036/9567/files/discord_screen_share_extension.pdf
    • https://cdn.shopify.com/s/files/1/0430/0577/1929/files/fozilojunagakasox.pdf
    • https://cdn.shopify.com/s/files/1/0437/0428/7383/files/84231854506.pdf
    • https://cdn.shopify.com/s/files/1/0432/9291/7924/files/25153693569.pdf
    • https://cdn.shopify.com/s/files/1/0429/6795/7658/files/liwobigetud.pdf
    • https://cdn.shopify.com/s/files/1/0431/9802/1793/files/a_knight_s_tale_script.pdf
    • https://cdn.shopify.com/s/files/1/0430/4021/1105/files/31340845371.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_off00005cf8.bin
c7b8f9adc3319faaf7e0515a0207f802caeddf23a916863202a764c2bc023f58		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CF8 5184 bytes
font_01_sfnt_off00006e8f.bin
66f431dffcffc58502ebbd82126b8701d051ee95db9364f69a8d3e6999cf9f81		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E8F 9968 bytes

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