Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f4dee8838579390…

MALICIOUS

PDF

41.2 KB Created: 2020-08-17 00:46:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 56c00c6724f0cc599f913de568c06799 SHA-1: 45066794e686aa265db14ae90220c646c98b80bf SHA-256: 7f4dee8838579390249d9efe09c58ba22ecee3d050a2041993c3c7621c5dfffa
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, https://ttraff.com/pify?keyword=past+form+of+verb+arise, is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to this URL and other PDF links, suggesting a social engineering attempt to drive traffic to malicious infrastructure. The presence of numerous external links and a malicious redirector indicates a likely attempt to lead the user to a phishing or malware distribution site.

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=past+form+of+verb+arise
    • http://vilabo.jimglasscorvette.com/uploads/1/3/0/7/130776445/jogodesijomuxa_tegumuwivu_bojegor.pdf
    • http://files.bargeadhesive.com/uploads/1/3/1/8/131856907/fabagumijow.pdf
    • http://files.marlaheltonyoga.com/uploads/1/3/2/6/132681409/fetatedabe_zibuza_bezaxitaduj_wemeku.pdf
    • http://defepumo.foodforvictory.com/uploads/1/3/2/6/132681946/muwikukaxopa.pdf
    • https://cdn.shopify.com/s/files/1/0449/9764/0360/files/lowuvexikisog.pdf
    • https://cdn.shopify.com/s/files/1/0428/7214/4038/files/jeguziwememabuganopixo.pdf
    • https://cdn.shopify.com/s/files/1/0454/9050/3832/files/barbara_cartland_gratuit_scribd_en_franais.pdf
    • https://cdn.shopify.com/s/files/1/0430/1773/2249/files/banking_awareness_capsule.pdf
    • https://cdn.shopify.com/s/files/1/0431/8960/0414/files/salarokarafuzafajad.pdf
    • https://cdn.shopify.com/s/files/1/0434/4948/3420/files/strength_of_materials_1_notes.pdf
    • https://cdn.shopify.com/s/files/1/0430/8385/8080/files/xajot.pdf
    • https://cdn.shopify.com/s/files/1/0430/9277/0977/files/kepotobekilolewaga.pdf
    • https://cdn.shopify.com/s/files/1/0433/9872/5793/files/76816892749.pdf
    • https://cdn.shopify.com/s/files/1/0435/3648/2458/files/rovewupom.pdf
    • https://cdn.shopify.com/s/files/1/0431/7865/5903/files/hallelujah_nuty_na_skrzypce.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004fe9.bin
d0fed492267544aba54d2cde28ed0301087f1789c9ae347a9914810a3b5b7a6e
pdf-font-stream PDF embedded font (sfnt) at offset 0x4FE9 8020 bytes
font_01_sfnt_off000063e2.bin
00e23ef13418a5a4fbd1b67be4d6db46c3707c6daf99f2fd7b78e411038950f4
pdf-font-stream PDF embedded font (sfnt) at offset 0x63E2 5080 bytes
font_02_sfnt_off00007519.bin
5f56981bc5786afcde5135b0d975f88a81fce853dab1aebd193c59470b062246
pdf-font-stream PDF embedded font (sfnt) at offset 0x7519 10144 bytes