Malicious PDF — malware analysis report

Static analysis result for SHA-256 00d97e07cef09ae5…

MALICIOUS

PDF

42.4 KB Created: 2020-08-31 11:40:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 46bb4d0379f67aa09b1a961c7e14646b SHA-1: 76d9d54d3b4557c08da7b18e369c0c7d1a1ea61a SHA-256: 00d97e07cef09ae5902f1a3440c4fb5b81218a7def9c01cd2fbad831558e8e5d
154 Risk Score

Malware Insights

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

This PDF file contains a link to a known malicious redirector, ttraff.com, which is likely used to direct users to further malicious content. The document body, though heavily obfuscated, contains text related to booking train tickets, suggesting a lure. The PDF also hosts a large number of external links, many pointing to Shopify, which is a common tactic for SEO poisoning or distributing malicious files.

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.com/wix?keyword=book+hualien+train+tickets
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0429/5114/7679/files/mebuxusudogegasevalab.pdf
    • https://cdn.shopify.com/s/files/1/0433/4583/8232/files/bodyguard_2011_film.pdf
    • https://cdn.shopify.com/s/files/1/0427/5752/1574/files/analyse_abc.pdf
    • https://cdn.shopify.com/s/files/1/0436/3298/4222/files/vepitilamofopikulilajoj.pdf
    • https://cdn.shopify.com/s/files/1/0436/4192/9886/files/guide_to_federal_pharmacy_law.pdf
    • https://cdn.shopify.com/s/files/1/0432/6513/0660/files/85453024788.pdf
    • https://cdn.shopify.com/s/files/1/0429/0792/6687/files/eckhart_tolle_power_of_now_audiobook_free.pdf
    • https://cdn.shopify.com/s/files/1/0438/6209/8085/files/4880635432.pdf
    • https://cdn.shopify.com/s/files/1/0431/9048/5150/files/deductive_and_inductive_reasoning_examples.pdf
    • https://cdn.shopify.com/s/files/1/0429/7513/3859/files/anabolismo_concepto.pdf
    • https://static.usrfiles.com/ugd/b8c837_c60a33eac6584991969a75197cdb0190.pdf
    • https://static.usrfiles.com/ugd/b8c837_e9c4ddd1fcf14e5c8f4eefad11cccdba.pdf
    • https://static.usrfiles.com/ugd/253000_d615f5051a124cbfb3a5b4293566872a.pdf
    • https://static.usrfiles.com/ugd/b88e3d_b0102b3bb544447cab63c046882ab147.pdf
    • https://static.usrfiles.com/ugd/b7306e_4d3e1a445e6944c4b3ade3572c2b5ca5.pdf
    • https://static.usrfiles.com/ugd/8dde66_2c6868d89d854c238b24fa53c0e6e24d.pdf
    • https://static.usrfiles.com/ugd/739437_a3c25c5e24a44417abbfe4ff417e7ae5.pdf
    • https://static.usrfiles.com/ugd/fa6f14_71a3fc48bffe49f18f6231b117823b84.pdf
    • https://static.usrfiles.com/ugd/4dd980_f15a859796bd4aee81f246b137df7090.pdf
    • https://static.usrfiles.com/ugd/34ec99_cda88f2dba5a4d9290997c951f2a7825.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/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000683f.bin
3019812fbfd23530c38074e3ca02285f5513fa774234a9fb2d749481526a2b42		 pdf-font-stream PDF embedded font (sfnt) at offset 0x683F 5000 bytes
font_01_sfnt_off00007930.bin
fd326950af55f2a5470fff2b4846419d80ea7edf6db74e75c4834ffbbb1e23c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7930 10608 bytes

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