Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d25961b7866eb94…

MALICIOUS

PDF

46.9 KB Created: 2020-08-31 10:19:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 857a68c28a594646058adc68837ccc9d SHA-1: 8253bfb1bf1ef2b4bfdb40b3873d778d713c81f5 SHA-256: 2d25961b7866eb941ca59da63656216a69166f885cb51e2f9f67acf19d8100d5
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.com, disguised with a keyword related to a book. This suggests a phishing or scam attempt. The document body, though heavily obfuscated, also contains the same URL and references to a book title, reinforcing the lure. No scripts were extracted, and the PDF structure itself does not indicate a specific exploit, leading to an unknown family classification.

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=the+physiology+coloring+book+2nd+edition+pdf
    • https://static.usrfiles.com/ugd/b5aed9_34f4d1d4c1034d33aad8da6059568ba2.pdf
    • https://static.usrfiles.com/ugd/2ddd39_d7fbd6cf826b4c68ae70afb5312d6b2b.pdf
    • https://static.usrfiles.com/ugd/0df15e_1b5bf563d82246378493dcd62988e46c.pdf
    • https://static.usrfiles.com/ugd/b8c837_bcf8ae4208574a229b816d0d778b054c.pdf
    • https://static.usrfiles.com/ugd/dc98cc_8d0a253d1ac644709f090bd03a614462.pdf
    • https://cdn.shopify.com/s/files/1/0430/6350/9141/files/risiruzurikazifu.pdf
    • https://cdn.shopify.com/s/files/1/0437/1283/9834/files/balakrishna_dialogues_list.pdf
    • https://cdn.shopify.com/s/files/1/0430/0872/1049/files/aws_cloudformation_availability_zone_parameter.pdf
    • https://cdn.shopify.com/s/files/1/0461/0723/0371/files/cambodia_travel_guide_lonely_planet.pdf
    • https://cdn.shopify.com/s/files/1/0434/4227/4454/files/xamolapifiwetiz.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xekosipavejidowusa.pdf
    • https://cdn.shopify.com/s/files/1/0433/7968/7587/files/city_of_heroes_respec.pdf
    • https://cdn.shopify.com/s/files/1/0432/2318/7614/files/xanegukuva.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_off000069e9.bin
dc26038e399a87a5ae293503a732f0450790e365087d286beee197aeb88c708f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69E9 5380 bytes
font_01_sfnt_off00007c34.bin
ca360abceb4460956514a4242abc7befda6952a7897c6e86ecd1b2239e7576a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C34 10600 bytes
font_02_sfnt_off0000a068.bin
7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA068 4324 bytes

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