Malicious PDF — malware analysis report

Static analysis result for SHA-256 914e9bdb22e08f8d…

MALICIOUS

PDF

43.6 KB Created: 2020-08-08 05:23:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 937d21acee3631533518a473aec2805f SHA-1: f57f28d471808bd7b1d9a44cf33602de8acb60b4 SHA-256: 914e9bdb22e08f8d43f38c2b8510a97c6c570e7e52b649ef2a070e5890ca4076
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs. One critical heuristic firing indicates that the document links to known malicious redirector infrastructure via the URL https://ttraff.cc/pify?keyword=suddenly+i+became+a+princess+novel+pdf. This suggests a link farm or redirection scheme designed to lead users to malicious content. No scripts were extracted from this sample.

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=suddenly+i+became+a+princess+novel+pdf
    • http://files.nlg-pros.com/uploads/1/3/0/9/130969910/katixiratowapo.pdf
    • http://files.thecoveatfoxhollow.com/uploads/1/3/1/3/131379268/cdfe47a57bd8468.pdf
    • http://logoz.sapientconsultants.in/uploads/1/3/0/7/130740072/7624899.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pewugokujugiwiburonanas.pdf
    • https://cdn.shopify.com/s/files/1/0437/4324/8545/files/toxoplasmosis_treatment.pdf
    • https://cdn.shopify.com/s/files/1/0431/5735/6710/files/sobapevadup.pdf
    • https://cdn.shopify.com/s/files/1/0430/9309/8660/files/79114986315.pdf
    • https://cdn.shopify.com/s/files/1/0428/6716/3302/files/remugil.pdf
    • https://cdn.shopify.com/s/files/1/0429/9676/0730/files/repidizurotukenumotajo.pdf
    • https://cdn.shopify.com/s/files/1/0432/0477/2000/files/48512548286.pdf
    • https://cdn.shopify.com/s/files/1/0431/6699/0502/files/74576625617.pdf
    • https://cdn.shopify.com/s/files/1/0431/6148/5471/files/93775959606.pdf
    • https://cdn.shopify.com/s/files/1/0429/1988/7001/files/74384536226.pdf
    • https://cdn.shopify.com/s/files/1/0427/8226/1415/files/92202867242.pdf
    • https://cdn.shopify.com/s/files/1/0434/4781/2248/files/chapter_11_cardiovascular_system_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0432/5654/5433/files/xazakikelasuto.pdf
    • https://cdn.shopify.com/s/files/1/0443/4313/2316/files/al_quran_bangla_pronunciation_free_download.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/
    • https://cdn.shopify.com/s/files/1/0443/4313/2316/files/al_quran_bangla_pronunciation_free_downloa

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006380.bin
3c35d8a76493dbb0f2ac4e41df26f281954be6c481b5bf7c96a75f81dd328a65
pdf-font-stream PDF embedded font (sfnt) at offset 0x6380 5708 bytes
font_01_sfnt_off000076dd.bin
2332738b8354e26afe30dc7f0367b1b5433b9adf8170633b1c731cd89d3f437a
pdf-font-stream PDF embedded font (sfnt) at offset 0x76DD 13056 bytes