Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fcc9bc7569422da…

MALICIOUS

PDF

35.0 KB Created: 2020-09-07 12:29:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d1782f1f30a4adc4ac237cf84e1f0b4f SHA-1: 38feaf14ed4327a592726c2bc5a5d963680a24f2 SHA-256: 2fcc9bc7569422da0e5f329be7e4d560ad46e2b5b7f4f82d02a92e8682254632
152 Risk Score

Malware Insights

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

The PDF file contains numerous embedded URLs, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though partially corrupted, suggests a lure related to 'doterra essential oils guide'. The primary malicious URL identified is ttraff.me, which is likely used to redirect users to further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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.me/wix?keyword=doterra+essential+oils+guide+a-+z
    • https://static.usrfiles.com/ugd/d55797_5ee8ac17411c48b4960efc3c85318ee7.pdf
    • https://static.usrfiles.com/ugd/4d935e_a96e7c91502a44d0accc4e4999a09451.pdf
    • https://static.usrfiles.com/ugd/64bd79_0a9feaa6b2bd488bb58296ba04704cae.pdf
    • https://static.usrfiles.com/ugd/b8c837_7833f64966f34f469fad80d53459a300.pdf
    • https://static.usrfiles.com/ugd/b8c837_aabc427c43f2495bb4eb577199b2d6a7.pdf
    • https://static.usrfiles.com/ugd/ea9bdf_361b2e28d78b446393df241cc384c6cf.pdf
    • https://static.usrfiles.com/ugd/b8c837_32d3486222454cd68abd59b2f62f3870.pdf
    • https://static.usrfiles.com/ugd/3de8a6_9cad8a30edb64d9986f7c3fc6748ba6f.pdf
    • https://static.usrfiles.com/ugd/b8c837_a9043a101fb0457c8c2fb8b101a3c8d6.pdf
    • https://static.usrfiles.com/ugd/b8c837_aeba14b6879c43c8a61d852a8f1d1ae3.pdf
    • https://static.usrfiles.com/ugd/6924eb_fc81518647b148ca9eba0f68590e1a09.pdf
    • https://static.usrfiles.com/ugd/2813e2_d04a28520b2940c58c9af0f650859c33.pdf
    • https://cdn.shopify.com/s/files/1/0439/0807/1576/files/zebobefosazizufikikeb.pdf
    • https://cdn.shopify.com/s/files/1/0438/9902/7611/files/modified_ballard_score.pdf
    • https://cdn.shopify.com/s/files/1/0464/1062/9288/files/bibepivow.pdf
    • https://cdn.shopify.com/s/files/1/0429/2853/7753/files/lebitamakarukusoxopariru.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_off00004922.bin
d8859bf91fceb5bda0036182cc6950591ae31babb4e5a7e97db6cdbe6644e06b
pdf-font-stream PDF embedded font (sfnt) at offset 0x4922 5076 bytes
font_01_sfnt_off00005a80.bin
f871f9e50ec9f137b4e2d81219f74f2d30fae3787879989fbd4573e3e751b5b4
pdf-font-stream PDF embedded font (sfnt) at offset 0x5A80 10304 bytes