Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad874266a06cfcb4…

MALICIOUS

PDF

44.4 KB Created: 2020-08-10 01:00:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a264671616c1d3966972ba3bbba59012 SHA-1: 7c70c1c1d7217b7a84d6cf096305543330d94bad SHA-256: ad874266a06cfcb42462b114ac66955390c7001ae2a32a6f2aea0a08029f9ebd
150 Risk Score

Malware Insights

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

The PDF contains a link farm and a malicious redirector URL, indicating a phishing or scam attempt. The primary malicious URL is https://ttraff.com/pify?keyword=turn+pdf+black+and+white+online, which is likely used to redirect the user to a malicious site. The document body, though heavily obfuscated, contains references to the redirector and other URLs, suggesting a coordinated effort to lure victims. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=turn+pdf+black+and+white+online
    • http://files.sandlotolentangy.com/uploads/1/3/0/8/130874015/240afcd7db2.pdf
    • http://xasuwino.somersscienceresearch.com/uploads/1/3/1/3/131384169/tusivoxivibubig_sogidetawed_wusutoke_rojuzu.pdf
    • http://zipajuves.theconsumerperspective.com/uploads/1/3/2/6/132682646/gerawerek_sunorevajobewoz_rawujobul_rigobitijosep.pdf
    • https://cdn.shopify.com/s/files/1/0428/4183/3635/files/jiwifewuki.pdf
    • https://cdn.shopify.com/s/files/1/0433/5996/1237/files/fifal.pdf
    • https://cdn.shopify.com/s/files/1/0428/3557/4943/files/71885239627.pdf
    • https://cdn.shopify.com/s/files/1/0438/4351/8614/files/gawanibomigovutebexibeke.pdf
    • https://cdn.shopify.com/s/files/1/0437/3990/6197/files/modul_aritmatika_sosial.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mujunevuduw.pdf
    • https://cdn.shopify.com/s/files/1/0430/6498/3703/files/vunowe.pdf
    • https://cdn.shopify.com/s/files/1/0433/5878/1590/files/pokemaguburavuxuba.pdf
    • https://cdn.shopify.com/s/files/1/0434/8238/2502/files/alphago_nature_paper.pdf
    • https://cdn.shopify.com/s/files/1/0433/9544/8999/files/soxofexavi.pdf
    • https://cdn.shopify.com/s/files/1/0430/0472/3349/files/larson_algebra_2_workbook.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_off00006e41.bin
fb057293a9367bc086b08bdb43355e558f2608c1e09a842ac83c44b3e6998f36		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E41 5308 bytes
font_01_sfnt_off0000805c.bin
1256d982d1cb1a5d631be79099eed66cd0925eb438cec82b75cf0a178a2c594e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x805C 10544 bytes

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