Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab490102f904a792…

MALICIOUS

PDF

42.8 KB Created: 2020-08-20 13:39:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8629c49fef1c472dec7eee49864e76ae SHA-1: 08d86c41b29767fdb091d2a2fdd398871a014c61 SHA-256: ab490102f904a792cd5070ab6b754b5b342094b18fc75116c026c68418068237
120 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to a known malicious domain, ttraff.cc. This domain is likely used to host further malicious content or phishing pages. The document body, though heavily obfuscated, contains the target URL and a plausible lure related to iOS. The presence of a large number of external PDF links, many pointing to Shopify, suggests a link farm or SEO manipulation tactic to increase visibility.

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=bomb+it+up++ios
    • http://files.englishiskillingme.com/uploads/1/3/0/7/130775400/3881414.pdf
    • http://files.olghammel.org/uploads/1/3/0/9/130969381/muxevariguj.pdf
    • http://jisove.sightseeing-copenhagen.com/uploads/1/3/1/1/131164048/2425433.pdf
    • https://cdn.shopify.com/s/files/1/0432/3350/9535/files/vingroup_annual_report_2020.pdf
    • https://cdn.shopify.com/s/files/1/0432/4841/8973/files/73385054431.pdf
    • https://cdn.shopify.com/s/files/1/0433/2807/7992/files/srimad_bhagavatam_moolam_sanskrit.pdf
    • https://cdn.shopify.com/s/files/1/0437/4790/1592/files/casque_of_amontillado.pdf
    • https://cdn.shopify.com/s/files/1/0430/8716/7645/files/stress_and_work_life_balance_in_the_workplace.pdf
    • https://cdn.shopify.com/s/files/1/0428/8882/2950/files/bacteria_pathogenesis.pdf
    • https://cdn.shopify.com/s/files/1/0430/9411/4453/files/animator_s_survival_kit_english.pdf
    • https://cdn.shopify.com/s/files/1/0449/8876/0232/files/autonomous_rc_car_project_report.pdf
    • https://cdn.shopify.com/s/files/1/0430/0737/7561/files/49410483319.pdf
    • https://cdn.shopify.com/s/files/1/0431/7826/2689/files/une_tempete_aime_cesaire_french.pdf
    • https://cdn.shopify.com/s/files/1/0430/4705/9607/files/pdf_bestanden_samenvoegen_in_1_bestand.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_off00006aac.bin
4da5229df8c3abc49569e5b6767138a0ada99bf82865ee92790b3ae6ff8f11c2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AAC 4816 bytes
font_01_sfnt_off00007afc.bin
2349183284632e5ab233f1c66a9d154faf9a6b995c270e4a0e9b5036c2f53845		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7AFC 10520 bytes

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