MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded links, many of which point to a redirector service. The primary redirector URL is associated with known malicious infrastructure, suggesting an attempt to lead users to malicious content. The ML classifier also strongly indicated maliciousness.
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=in+app+billing+android+github
- http://files.seniorcoalitionofstanislaus.org/uploads/1/3/2/7/132741385/zalumobefemoken.pdf
- http://binex.wokshoppdx.com/uploads/1/3/0/7/130775593/6810239.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0434/3123/1649/files/15545872102.pdf
- https://cdn.shopify.com/s/files/1/0430/7845/1349/files/ben_shirk_templates.pdf
- https://cdn.shopify.com/s/files/1/0436/5287/4390/files/quenching_medium.pdf
- https://cdn.shopify.com/s/files/1/0440/0644/1110/files/tasikujedek.pdf
- https://cdn.shopify.com/s/files/1/0427/9848/1564/files/binary_options_learning.pdf
- https://cdn.shopify.com/s/files/1/0427/4615/1078/files/80256609486.pdf
- https://cdn.shopify.com/s/files/1/0431/8271/9136/files/89433561156.pdf
- https://cdn.shopify.com/s/files/1/0429/4960/7590/files/9712411999.pdf
- https://cdn.shopify.com/s/files/1/0428/1604/5222/files/bali_guided_shopping_tours.pdf
- https://cdn.shopify.com/s/files/1/0429/9826/8065/files/building_construction_by_rangwala_free.pdf
- https://cdn.shopify.com/s/files/1/0437/2758/5445/files/24111524116.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ebf.bin0a0281d8b6342701bbbc71e2b230305b0746076cb3204dd96933ec6328c17328 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EBF | 4884 bytes |
font_01_sfnt_off00006f32.bin0a8296cf20eebd1596906c14a02f4d6b52ad8a207283c364d93cf2517f604260 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F32 | 10024 bytes |
font_02_sfnt_off0000915c.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x915C | 4324 bytes |
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