MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically 'ttraff.com'. The document body also contains a link to this malicious URL, disguised with a keyword related to cars. Additionally, the PDF hosts a large number of links to other PDF files, many of which are hosted on Shopify, suggesting a link farm or SEO manipulation tactic. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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=auto+vs+manual+350z
- http://files.condzellasfarm.com/uploads/1/3/0/9/130969555/97c8dd5b0b0479.pdf
- http://files.a1-therapy.com/uploads/1/3/1/3/131398357/tufobefuzijizuk.pdf
- http://limutamob.relsongraciesouthaustin.com/uploads/1/3/1/6/131637254/90b7677f25.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/3705/6414/files/danone_annual_report_2018.pdf
- https://cdn.shopify.com/s/files/1/0437/8152/1560/files/81721134104.pdf
- https://cdn.shopify.com/s/files/1/0435/9254/8511/files/10093455613.pdf
- https://cdn.shopify.com/s/files/1/0429/6055/2085/files/dolerumubenomejimenusokap.pdf
- https://cdn.shopify.com/s/files/1/0436/4392/8726/files/simple_and_compound_sentences_worksheet_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0434/4751/7341/files/39356493181.pdf
- https://cdn.shopify.com/s/files/1/0429/7133/2767/files/86788321214.pdf
- https://cdn.shopify.com/s/files/1/0432/9180/3801/files/set_theory_venn_diagram.pdf
- https://cdn.shopify.com/s/files/1/0430/5243/3557/files/jibeminasovabebimobomuf.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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007b9e.bin87f70fbcf6ab47211bee84df6165c0b33e646af39f350a6b71c0afd8eff83f70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B9E | 5264 bytes |
font_01_sfnt_off00008d7c.bin96f58323943042c3275c7f266d5e1f67c90f144d782fb5624f3afd43754d4127 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D7C | 10644 bytes |
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