Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5cae01467123a49…

MALICIOUS

PDF

43.0 KB Created: 2020-08-22 23:09:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 90b1dce96659d206b94aa5bcebda56f5 SHA-1: aac45ccb259a8fb489062d4c2349cdf15d9c1680 SHA-256: d5cae01467123a4974b52454037fae4c7574b43646457a482ecc2664a2e50573
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'magazine design templates free' and the malicious URL. This suggests the document is a lure to redirect users to malicious infrastructure, likely for further exploitation or phishing. 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=magazine+design+templates+free
    • http://gosig.mendelmeyers.com/uploads/1/3/1/3/131380344/tuwajoxed-vujubamuxakimi-kovojumug.pdf
    • http://files.bassic.ca/uploads/1/3/1/1/131164016/a56f0e3.pdf
    • http://files.albertatreatingchemicals.ca/uploads/1/3/1/4/131407552/538ad58e501c8c.pdf
    • http://xitowired.topstonecanada.com/uploads/1/3/1/6/131637254/d4b55278c0e.pdf
    • https://cdn.shopify.com/s/files/1/0429/5848/7703/files/polozutajiredap.pdf
    • https://cdn.shopify.com/s/files/1/0428/2328/6940/files/furudesuzabonewavesag.pdf
    • https://cdn.shopify.com/s/files/1/0428/9868/6111/files/dexufivitadutiwi.pdf
    • https://cdn.shopify.com/s/files/1/0432/9557/2126/files/cable_tray_standard_sizes.pdf
    • https://cdn.shopify.com/s/files/1/0430/2556/3801/files/nexus_3_vst.pdf
    • https://cdn.shopify.com/s/files/1/0438/4777/8469/files/44249284804.pdf
    • https://cdn.shopify.com/s/files/1/0459/2258/2679/files/block_breaker_3_unlimited_apk_cracked.pdf
    • https://cdn.shopify.com/s/files/1/0452/5555/7280/files/english_speaking_book_in_kannada.pdf
    • https://cdn.shopify.com/s/files/1/0433/0107/7142/files/rokemopukiditometowe.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_off000060b6.bin
dbf8a817aa15d6ab3fe1d4132994e23ff080e55514d1830512ab02a383bd8b59		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60B6 5416 bytes
font_01_sfnt_off00007312.bin
2b17894289ef4ac549ca5ccbfe538e6ebde94701791c0542cba9a71f2d67f349		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7312 2268 bytes
font_02_sfnt_off00007d24.bin
a987a1e9045f3212a7039164ffb5e7fd893469299a6356dd4ce9ce4960aa88ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D24 9908 bytes

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