Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea02750c47c0aba8…

MALICIOUS

PDF

40.5 KB Created: 2020-08-18 21:26:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7ad25c3d43f13b6abf064cf52ad5181b SHA-1: 9e71df44d86feb6a94f9422b26d9fc8f653cdd03 SHA-256: ea02750c47c0aba8fd1d7a9c770d618c25b26c71ea62389d0fbc4e4978a9a5d0
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.cc) known for malicious activity. The document body, though partially corrupted, references academic performance and includes the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of a link farm heuristic further supports the intent to drive traffic to external resources.

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=negative+effects+of+stress+on+academic+performance
    • http://zixum.brooklineliteracypartnership.org/uploads/1/3/0/7/130738647/4f4fcda.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tikifulodu.pdf
    • https://cdn.shopify.com/s/files/1/0440/7784/2597/files/wanamigokuvekirepuxelisix.pdf
    • https://cdn.shopify.com/s/files/1/0430/3329/7058/files/cms_guidelines_for_ct_lung_cancer_screening.pdf
    • https://cdn.shopify.com/s/files/1/0439/5089/9368/files/the_book_of_tomorrow_cecelia_ahern.pdf
    • https://cdn.shopify.com/s/files/1/0450/9371/6121/files/principles_of_critical_care_unit.pdf
    • https://cdn.shopify.com/s/files/1/0436/4229/0336/files/25257494816.pdf
    • https://cdn.shopify.com/s/files/1/0430/2936/4889/files/o_uraguai_basilio_da_gama.pdf
    • https://cdn.shopify.com/s/files/1/0434/0521/3854/files/kogozorududanomufo.pdf
    • https://cdn.shopify.com/s/files/1/0432/0873/6928/files/xanewefubedufekubomax.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51507598499.pdf
    • https://cdn.shopify.com/s/files/1/0431/6643/3429/files/64352674011.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_off00005f3a.bin
dc8141dc5ac67002501e5a4a28b762bea230d8e2ffc944ffa8477581593e2276		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F3A 5472 bytes
font_01_sfnt_off000071ce.bin
b4a516e6e5948ff08e539e6b72445a3b1e664cbe0037aec900a4a8813c120d24		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71CE 10380 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.