Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e0905f50cf60fb9…

MALICIOUS

PDF

39.5 KB Created: 2020-08-30 21:16:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 003b9647ec695952ad027135c7dd0bcf SHA-1: 276a02006587c34f85044bce30802b263d715166 SHA-256: 7e0905f50cf60fb9d3e862197d7998de2e6d713ccdf9978a0e438cf0a3914373
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, characteristic of a link farm designed to manipulate search engine results. One of these links, 'https://ttraff.com/wix?keyword=sap+lsmw+steps+pdf', is identified as a malicious redirector. The presence of this malicious link and the overall structure suggest an attempt to lure users to malicious infrastructure, likely for further exploitation or phishing.

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/wix?keyword=sap+lsmw+steps+pdf
    • https://cdn.shopify.com/s/files/1/0432/1338/9992/files/34259053125.pdf
    • https://cdn.shopify.com/s/files/1/0433/5727/4270/files/xanakapibaxavulanon.pdf
    • https://cdn.shopify.com/s/files/1/0435/3556/4949/files/pajakuz.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/39738284996.pdf
    • https://cdn.shopify.com/s/files/1/0438/8945/9368/files/botany_notes_for_upsc.pdf
    • https://static.usrfiles.com/ugd/b8c837_6b50bcbcf018438aa93353c7cc087134.pdf
    • https://cdn.shopify.com/s/files/1/0461/9458/9847/files/moments_class_9_chapter_8_question_answers.pdf
    • https://cdn.shopify.com/s/files/1/0432/3462/3643/files/54273155846.pdf
    • https://cdn.shopify.com/s/files/1/0433/9151/6826/files/88220463394.pdf
    • https://cdn.shopify.com/s/files/1/0428/9688/3868/files/jimetedug.pdf
    • https://cdn.shopify.com/s/files/1/0434/5180/9949/files/tudevibuvafobobejubix.pdf
    • https://cdn.shopify.com/s/files/1/0428/7922/1919/files/1997_chevy_tahoe_repair_manual.pdf
    • https://cdn.shopify.com/s/files/1/0452/1259/8423/files/kalanotulaweru.pdf
    • https://cdn.shopify.com/s/files/1/0429/9803/8679/files/bigulefutovoguteribabile.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_off00005d4c.bin
5c4d3e2c657b9b2b350df6f54ee14fcd3ea4b7f765ec5415489c85380fe5d7a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D4C 5288 bytes
font_01_sfnt_off00006f48.bin
511611ba7d97cce14725177acc62a3f141d23678afd2c2ded1e030286a02a5c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F48 9992 bytes

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