Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f1be249acbec540…

MALICIOUS

PDF

45.9 KB Created: 2020-08-02 19:36:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 60ddd07428f07e49b18529f05ae5f4b3 SHA-1: d4f5381d1b90ecce1ef9b64e7bc0280aecd443a9 SHA-256: 1f1be249acbec540e05e3dcbae9b559817fee8e723d4fc81e71b3c2c0d38b433
120 Risk Score

Malware Insights

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

The PDF file was identified as a malicious redirector and a link farm. It contains numerous external links, with the primary malicious redirector being 'https://ttraff.com/pify?keyword=javascript+create+array'. The document body, though heavily obfuscated, also contains this URL and other Shopify-hosted PDF links. The presence of a large number of external links suggests an attempt to distribute malicious content or phish users by directing them to potentially compromised or malicious sites.

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=javascript+create+array
    • http://files.asoprimatologicacolombiana.org/uploads/1/3/2/3/132302970/2bf94a5.pdf
    • http://files.brownwoodlake.com/uploads/1/3/1/4/131437242/012157a.pdf
    • http://files.tahd.org/uploads/1/3/1/6/131606198/mizetopumukexetiba.pdf
    • http://files.iwanttobeanengineer.com.au/uploads/1/3/1/3/131380305/pobudegataxuwe.pdf
    • https://cdn.shopify.com/s/files/1/0433/5370/2550/files/29247393203.pdf
    • https://cdn.shopify.com/s/files/1/0432/3993/2067/files/82545061812.pdf
    • https://cdn.shopify.com/s/files/1/0432/9265/5780/files/xidopameniwupanifibas.pdf
    • https://cdn.shopify.com/s/files/1/0435/5103/1447/files/vabuwivod.pdf
    • https://cdn.shopify.com/s/files/1/0427/5725/9420/files/26026987254.pdf
    • https://cdn.shopify.com/s/files/1/0433/9276/2017/files/92162849075.pdf
    • https://cdn.shopify.com/s/files/1/0432/8072/8224/files/51603669122.pdf
    • https://cdn.shopify.com/s/files/1/0435/3366/4408/files/91889865211.pdf
    • https://cdn.shopify.com/s/files/1/0435/8438/9275/files/2083698948.pdf
    • https://cdn.shopify.com/s/files/1/0438/3988/1373/files/75869660788.pdf
    • https://cdn.shopify.com/s/files/1/0440/0611/3430/files/mofagevobinudavin.pdf
    • https://cdn.shopify.com/s/files/1/0433/9240/1566/files/25063375275.pdf
    • https://cdn.shopify.com/s/files/1/0427/7813/2636/files/tijarupiwineginurepoxav.pdf
    • https://cdn.shopify.com/s/files/1/0427/5778/3718/files/35525064129.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_off00006a23.bin
54df718dc709410eff06e9b3fc193af76d7acb28b9f02ad4c2ddd0460b9768fd
pdf-font-stream PDF embedded font (sfnt) at offset 0x6A23 4616 bytes
font_01_sfnt_off000079e7.bin
fdbfddd82ff0764d810e78edcb7d3b336396d6d90ae2fc5b425af4d7c1454a16
pdf-font-stream PDF embedded font (sfnt) at offset 0x79E7 10112 bytes
font_02_sfnt_off00009c7d.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34
pdf-font-stream PDF embedded font (sfnt) at offset 0x9C7D 4324 bytes