Malicious PDF — malware analysis report

Static analysis result for SHA-256 45d2688edd1f0171…

MALICIOUS

PDF

41.7 KB Created: 2020-08-11 04:38:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 593f299d571178aef5db16d13aad25f7 SHA-1: f30f3065ccbb14f3eea0bf0435b478abf1008df0 SHA-256: 45d2688edd1f0171820849aba91c436ec074055cfeac048ea6098393ab51fc11
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link redirects to a known malicious domain (ttraff.com). This indicates a phishing or redirection attempt. The document body, though heavily obfuscated, contains the malicious URL, reinforcing the attack pattern. The primary goal appears to be directing the user to the ttraff.com domain.

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=deadlock+prevention+in+os+tutorialspoint+pdf
    • http://files.yourbodyyourbirthdoulaservices.com/uploads/1/3/1/4/131411199/kajozefab_motadiwubifit_mofugebep_xokemogefivu.pdf
    • http://dutus.beingthefitperson.com/uploads/1/3/0/8/130874493/zudewejanonajaz-kirodeganok-keniz-lewagavobila.pdf
    • http://jalunopa.wolfcrybeardcompany.com/uploads/1/3/0/7/130740051/162f415bb43.pdf
    • https://cdn.shopify.com/s/files/1/0432/2505/5389/files/pel_c3_a9.pdf
    • https://cdn.shopify.com/s/files/1/0431/0089/7434/files/zexidakutaneluxi.pdf
    • https://cdn.shopify.com/s/files/1/0433/7005/3784/files/dutofuge.pdf
    • https://cdn.shopify.com/s/files/1/0440/8072/6168/files/fanimeforep.pdf
    • https://cdn.shopify.com/s/files/1/0448/6312/7714/files/angina_de_pecho_electrocardiograma.pdf
    • https://cdn.shopify.com/s/files/1/0430/3860/5461/files/60847022713.pdf
    • https://cdn.shopify.com/s/files/1/0434/7474/7558/files/advantages_and_disadvantages_of_computer_in_urdu.pdf
    • https://cdn.shopify.com/s/files/1/0437/2214/5943/files/10958999019.pdf
    • https://cdn.shopify.com/s/files/1/0432/8875/6374/files/teaching_english_for_kindergarten.pdf
    • https://cdn.shopify.com/s/files/1/0428/4930/4732/files/basic_concept_of_computer_hardware_and_software.pdf
    • https://cdn.shopify.com/s/files/1/0430/7543/6698/files/97880075500.pdf
    • https://cdn.shopify.com/s/files/1/0431/0230/6468/files/abedular_de_canencia.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_off0000650a.bin
3df58fc036ecc5700f0f0082cc246b1c73f06783d062e225eb9cd7d678a6b268		 pdf-font-stream PDF embedded font (sfnt) at offset 0x650A 5272 bytes
font_01_sfnt_off00007712.bin
219d7642dd5d3f00e5cfa52466494373d1d74edf2840f5c17a4f7bbc1029e7d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7712 10080 bytes

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