Malicious PDF — malware analysis report

Static analysis result for SHA-256 e07576da9796ea69…

MALICIOUS

PDF

40.1 KB Created: 2020-08-06 13:49:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 592e78afe0336b420049a039242bce53 SHA-1: e1030e4c832766222121ef010b6d4ab692f8fcfa SHA-256: e07576da9796ea698175efdcf7b19354431ba867ca904a960d3d84f4b2aa6d9c
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link farm with numerous external links, many of which point to potentially malicious redirectors. The document body, though partially corrupted, contains text related to 'Atomic Habits book pdf download' and includes a suspicious URL, 'https://ttraff.ru/pify?keyword=atomic+habits+book+pdf+download', which is flagged as a malicious redirector. This suggests a social engineering attempt to lure users to malicious sites under the guise of providing book downloads.

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.ru/pify?keyword=atomic+habits+book+pdf+download
    • http://kutukelo.mossyhollows.com/uploads/1/3/0/7/130776791/lifogatigezesupedo.pdf
    • http://files.18u.org.uk/uploads/1/3/1/3/131380485/3722864c3f7e04.pdf
    • http://tuferu.stcatfamilyfaith.com/uploads/1/3/2/7/132712615/1253409.pdf
    • http://files.photosbyalexelerian.com/uploads/1/3/2/7/132741225/778f0d2dba4d0f3.pdf
    • https://cdn.shopify.com/s/files/1/0436/8993/5002/files/71657231803.pdf
    • https://cdn.shopify.com/s/files/1/0429/9948/0473/files/academic_writing_for_graduate_students_3rd.pdf
    • https://cdn.shopify.com/s/files/1/0435/4015/2475/files/68131962519.pdf
    • https://cdn.shopify.com/s/files/1/0433/6369/6799/files/minecraft_0._13._0_apk_download.pdf
    • https://cdn.shopify.com/s/files/1/0440/7522/1144/files/nonlinear_dynamics_and_chaos_strogatz.pdf
    • https://cdn.shopify.com/s/files/1/0432/6850/5764/files/fabavabixemavuwepusine.pdf
    • https://cdn.shopify.com/s/files/1/0435/4323/2661/files/tajotesofisojowit.pdf
    • https://cdn.shopify.com/s/files/1/0427/8488/2844/files/moxufavoxemebinopegojivum.pdf
    • https://cdn.shopify.com/s/files/1/0432/9707/9460/files/us_passport_renewal_application_form.pdf
    • https://cdn.shopify.com/s/files/1/0433/0638/5568/files/48954059557.pdf
    • https://cdn.shopify.com/s/files/1/0437/4754/1146/files/final_fantasy_15_guide.pdf
    • https://cdn.shopify.com/s/files/1/0431/2514/5760/files/brahma_kumaris_shivani_books.pdf
    • https://cdn.shopify.com/s/files/1/0432/2508/8168/files/62527452815.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/1/0433/0638/5568/files/4

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005471.bin
61eed7c182e1f81d50034533ade2039fd425ebe6c742e3e4c7fd284c05d06172
pdf-font-stream PDF embedded font (sfnt) at offset 0x5471 5584 bytes
font_01_sfnt_off00006751.bin
51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0
pdf-font-stream PDF embedded font (sfnt) at offset 0x6751 1800 bytes
font_02_sfnt_off00006fdf.bin
5028055e675447724c5c3dd6eb35eab7cc7874d7158bed431c948cba07b88b82
pdf-font-stream PDF embedded font (sfnt) at offset 0x6FDF 10132 bytes