Malicious PDF — malware analysis report

Static analysis result for SHA-256 30b7ce0e6bac896f…

MALICIOUS

PDF

43.6 KB Created: 2020-08-19 03:57:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ae4a3300f2b31a7b58cf4957925ba767 SHA-1: e6b2ce41656a35c6430aa7b4dbd4a731ff87fe64 SHA-256: 30b7ce0e6bac896f169a889ce6354abc174eead8370bce70a096164dd81b562d
150 Risk Score

Malware Insights

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

The PDF contains a prominent link to 'ttraff.cc', identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'artificial intelligence movie dual audio 480p', suggesting a lure. The presence of a large number of external PDF links, many hosted on Shopify, further indicates a link farm designed to distribute malicious content or engage in SEO manipulation for phishing.

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=artificial+intelligence+movie+dual+audio+480p
    • http://files.fincapuntiro.com/uploads/1/3/1/3/131383575/6988815.pdf
    • http://zetide.lbpac.org/uploads/1/3/1/8/131871433/jigedis_kinubigijusenuw_zakavefubukun_kaxubitaju.pdf
    • http://files.thirdwavedetroit.com/uploads/1/3/0/8/130874058/sejubof_domawi_danuj_gusoritobitexob.pdf
    • http://vekopib.galexystudio.com/uploads/1/3/1/4/131453858/5e6668.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lorirazapevimixawas.pdf
    • https://cdn.shopify.com/s/files/1/0430/7006/2754/files/lolikulofuvipozilet.pdf
    • https://cdn.shopify.com/s/files/1/0434/1907/4712/files/vmware_workstation_15.pdf
    • https://cdn.shopify.com/s/files/1/0432/8708/5220/files/puketineteberuka.pdf
    • https://cdn.shopify.com/s/files/1/0435/7488/6563/files/2017_ford_explorer_manual.pdf
    • https://cdn.shopify.com/s/files/1/0430/1848/5923/files/xaxakavewemoneditixex.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/58657968950.pdf
    • https://cdn.shopify.com/s/files/1/0429/9866/1279/files/vumofosigugeweborur.pdf
    • https://cdn.shopify.com/s/files/1/0428/3600/0931/files/baixar_reader_adobe.pdf
    • https://cdn.shopify.com/s/files/1/0435/0869/5192/files/zidufajawesi.pdf
    • https://cdn.shopify.com/s/files/1/0431/5935/5558/files/nidele.pdf
    • https://cdn.shopify.com/s/files/1/0431/3301/0074/files/zodutexusojitu.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_off00006a25.bin
f31ec2ecc35855ce75afae3b92a03da3ecb766ef944941b5d628e1e419b58851		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A25 5768 bytes
font_01_sfnt_off00007db9.bin
2b14ffdfbbe94a6e0c0e67cfb5834a71df30f807700daaf4f5c58ce7acd453f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7DB9 10512 bytes

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