Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ad046801ca9c9f1…

MALICIOUS

PDF

46.4 KB Created: 2020-08-20 10:17:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0344fcac3dc629e4fbd0feeb3c3f0340 SHA-1: ca62a488aa13294826dc9d9cfe04d6874f33a816 SHA-256: 3ad046801ca9c9f1063b1801d6188b14317e51cd19bc70e0e0d5598ba7e1dbbc
150 Risk Score

Malware Insights

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

The PDF document contains a lure for 'Bein sport live gratuit android' and embeds numerous links. One critical heuristic identified a PDF link to known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=bein+sport+live+gratuit+android'. Another heuristic indicates a PDF link farm, with many links pointing to Shopify domains hosting PDF files. The ML classifier strongly supports the malicious verdict. The primary intent appears to be redirecting users to malicious sites via the embedded links.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.cc/pify?keyword=bein+sport+live+gratuit+android
    • http://nomedop.heroshideaway.com/uploads/1/3/0/7/130775413/1236559.pdf
    • http://vazuga.originalgoodfellas.com/uploads/1/3/1/4/131482952/3448626.pdf
    • http://xoxel.gaiagraphics.co.uk/uploads/1/3/0/7/130739860/roxuga_wofilememet_gerirel_vulejezudusu.pdf
    • http://files.peterlynas.com/uploads/1/3/1/3/131383333/dovorami.pdf
    • http://files.thriftathome.com/uploads/1/3/2/8/132814337/5952259.pdf
    • https://cdn.shopify.com/s/files/1/0434/5564/3813/files/wamuxamox.pdf
    • https://cdn.shopify.com/s/files/1/0438/4007/7981/files/29004217306.pdf
    • https://cdn.shopify.com/s/files/1/0432/2299/1007/files/zobigojuwojepefit.pdf
    • https://cdn.shopify.com/s/files/1/0433/0664/7717/files/wowulabajafizufiri.pdf
    • https://cdn.shopify.com/s/files/1/0433/0881/0398/files/4617805844.pdf
    • https://cdn.shopify.com/s/files/1/0435/1338/1028/files/julukibolasup.pdf
    • https://cdn.shopify.com/s/files/1/0437/6995/4456/files/maternity_leave_application_form_hse.pdf
    • https://cdn.shopify.com/s/files/1/0431/1485/6610/files/26038210584.pdf
    • https://cdn.shopify.com/s/files/1/0435/2717/6344/files/online_to_ppt_converter_free_download_full_version.pdf
    • https://cdn.shopify.com/s/files/1/0429/9309/0714/files/vezujoxivenusob.pdf
    • https://cdn.shopify.com/s/files/1/0440/5297/1685/files/alphabet_in_spanish_worksheets.pdf
    • https://cdn.shopify.com/s/files/1/0431/4441/3350/files/the_duchess_of_malfi_full_text.pdf
    • https://cdn.shopify.com/s/files/1/0430/5145/0519/files/nikeloxam.pdf
    • https://cdn.shopify.com/s/files/1/0432/2469/4942/files/influence_of_bible_on_english_literature.pdf
    • https://cdn.shopify.com/s/files/1/0434/6108/3301/files/adjektivdeklination_bestimmter_artikel_bungen.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_005_off00007f44.bin
608162defff6aaef5bcbe1352e20f4615a308655e84bb5c194a4cf40747b2584		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x7F44 24384 bytes
font_00_sfnt_off00004db9.bin
6350a3d7c2ad9023798f80f85e01fd0950ef17cf6ce876841e90776e6f58888f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4DB9 5236 bytes
font_01_sfnt_off00005f99.bin
5e88304eb8c450379642cb6611c9e5a2f7f700557b19f49ee594c3d840968374		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F99 9240 bytes

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