Malicious PDF — malware analysis report

Static analysis result for SHA-256 30396af43584d0d2…

MALICIOUS

PDF

54.5 KB Created: 2020-08-21 04:12:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3268648df34b2dc2b9229251a93808ca SHA-1: 90c34ad653d28255d7816e94927db803e57ffa6c SHA-256: 30396af43584d0d253cb1686efaadde0308fa3418a161ad8166fcae54f15a31d
128 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text related to resume templates and includes the malicious URL. This suggests a social engineering attack aiming to trick the user into visiting a malicious site, likely for credential harvesting or further malware delivery.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=resume+templates+for+macbook+pro
    • http://xadoxiz.123-give.com/uploads/1/3/1/6/131606339/04721.pdf
    • http://naxaz.aliferebooted.com/uploads/1/3/0/7/130739297/doxebusunapadur.pdf
    • https://cdn.shopify.com/s/files/1/0427/4677/3660/files/witcher_2_nekker_contract.pdf
    • https://cdn.shopify.com/s/files/1/0431/5735/6710/files/51422625178.pdf
    • https://cdn.shopify.com/s/files/1/0429/2568/6951/files/vezub.pdf
    • https://cdn.shopify.com/s/files/1/0435/5093/3156/files/alchimia_significato_e_visione_del_mondo.pdf
    • https://cdn.shopify.com/s/files/1/0434/0826/1285/files/93216907499.pdf
    • https://cdn.shopify.com/s/files/1/0431/0056/9766/files/answered_prayer_glorifies_god.pdf
    • https://cdn.shopify.com/s/files/1/0430/9378/6791/files/cinema_4d_r19_tutorial.pdf
    • https://cdn.shopify.com/s/files/1/0428/5664/4774/files/calendario_hebreo_5780.pdf
    • https://cdn.shopify.com/s/files/1/0432/7797/5717/files/36326420231.pdf
    • https://cdn.shopify.com/s/files/1/0432/8872/3616/files/76704554326.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_off00009600.bin
fe10f979f62cdfa7d0e12e79700e61db341cea8e16f0a629b10099f4dc8aabda		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9600 5372 bytes
font_01_sfnt_off0000a831.bin
43f712fbd279551fb1376c16c63c5cebc1d4dfacfc8e9e712f21f5b23baedf93		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA831 10840 bytes

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