Malicious PDF — malware analysis report

Static analysis result for SHA-256 eec3077d85d1f36b…

MALICIOUS

PDF

42.0 KB Created: 2020-08-07 18:04:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0fe8e8eb1d46d647ef8506ac3a491c71 SHA-1: 4e564d443e9876bfaabd0c89c3f70dd79f068435 SHA-256: eec3077d85d1f36bd3bb7d2e5e326cd0952b5566ca07b6014097ab5e81c45223
152 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL that triggers this heuristic. The primary attack pattern involves redirecting the user to malicious content via the 'ttraff.com' domain.

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/pify?keyword=beautiful+in+white+chords+piano+pdf
    • http://files.yuniverse.ca/uploads/1/3/2/6/132681392/9417466.pdf
    • http://files.amadauniversity.com/uploads/1/3/1/6/131636584/rudesetogevif.pdf
    • http://files.ofrenchpolishing.com/uploads/1/3/0/7/130775103/52413.pdf
    • http://files.jeremyboulton.com.au/uploads/1/3/0/9/130969045/0ed3a91b9dbbb.pdf
    • https://cdn.shopify.com/s/files/1/0433/1280/8091/files/99324874033.pdf
    • https://cdn.shopify.com/s/files/1/0429/3525/5203/files/toro_22_recycler_manual.pdf
    • https://cdn.shopify.com/s/files/1/0437/8374/9781/files/faduxeroj.pdf
    • https://cdn.shopify.com/s/files/1/0430/6305/0394/files/74079186987.pdf
    • https://cdn.shopify.com/s/files/1/0430/5672/6170/files/dr_ambedkar_books_in_marathi.pdf
    • https://cdn.shopify.com/s/files/1/0432/9550/6592/files/zugupavodexuxovivuwosiroj.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ledoviz.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xumilegimazuguvabunozanik.pdf
    • https://cdn.shopify.com/s/files/1/0432/2826/6654/files/pnpk_abortus.pdf
    • https://cdn.shopify.com/s/files/1/0431/5843/8039/files/18398721093.pdf
    • https://cdn.shopify.com/s/files/1/0429/7555/9829/files/meparimuvogevenatolux.pdf
    • https://cdn.shopify.com/s/files/1/0434/7245/3797/files/bixeguwasafuwutipuxo.pdf
    • https://cdn.shopify.com/s/files/1/0431/8960/0414/files/lozedivoluj.pdf
    • https://cdn.shopify.com/s/files/1/0432/8564/3420/files/convective_and_local_acceleration.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_off00005409.bin
8ed1798ef5bd7f5a6aa31a9130507af0b1d60e92302c3d81023a851c984b021f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5409 5264 bytes
font_01_sfnt_off000065f5.bin
93868a35bbe7e45eda520673accc28321f7cd96a7d0aa680269aa18aeb123b3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65F5 12272 bytes
font_02_sfnt_off00008cda.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8CDA 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.