Malicious PDF — malware analysis report

Static analysis result for SHA-256 78e96cb022f3c7d7…

MALICIOUS

PDF

20.6 KB Created: 2020-11-01 11:17:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f272c5a433520e43c4f78f205dccf050 SHA-1: ab09644ce293b309fe0f04dd61e945372dfe1370 SHA-256: 78e96cb022f3c7d7fe684de2f0010f7f2597177bb4e589cff54f587b61728f47
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded URLs, one of which is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains URLs that appear to be part of a malicious distribution chain. The ML classifier strongly supports the malicious verdict. The primary attack vector is likely spearphishing, with the embedded links designed to lead the user to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

Heuristics 2

  • 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.
  • 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://ggtraff.ru/aws?keyword=scid-d+dissociative+pdf
    • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/delelides_dasexurekiwar_jajumab.pdf
    • https://bubudatitiga.weebly.com/uploads/1/3/4/3/134308982/kopiri.pdf
    • https://jujodupif.weebly.com/uploads/1/3/2/3/132303189/2849111.pdf
    • https://kesevaze.weebly.com/uploads/1/3/1/3/131383297/bubikabo-farilabojijogaw-rukerugulisusu-gojavujom.pdf
    • https://uploads.strikinglycdn.com/files/22179ea3-dfb8-4144-8946-a01c87123305/82260687719.pdf
    • https://cdn.shopify.com/s/files/1/0268/8368/6588/files/associative_mapping_in_cache_memory.pdf
    • https://uploads.strikinglycdn.com/files/4de2a77b-289e-46d9-9810-05a56a1a39c8/89258390942.pdf
    • https://s3.amazonaws.com/robumuduluwise/72960142883.pdf
    • https://uploads.strikinglycdn.com/files/64205c5d-d42e-4b6b-865c-20b95137a76a/honeywell_timer_st9400c_manual.pdf
    • https://cdn.shopify.com/s/files/1/0478/7804/5862/files/mogokawiruwufafapibo.pdf
    • https://uploads.strikinglycdn.com/files/ce6909b5-c34b-45d8-b1d7-96fd342fc5bf/58533410268.pdf
    • https://cdn.shopify.com/s/files/1/0508/4522/1037/files/sunset_pizza_gold_beach.pdf
    • https://uploads.strikinglycdn.com/files/c2ac945d-fc86-4046-81de-0409daf13694/tp_link_wireless_router_archer_c1200_manual.pdf

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