MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO abuse tactic. One critical heuristic identified a link to known malicious redirector infrastructure, indicating a malicious intent to direct users to harmful sites. 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.me/pify?keyword=no+cap+the+backend+child+zippyshare+download
- http://terole.uainsectcollection.com/uploads/1/3/2/8/132814930/7576231.pdf
- http://files.globalafricadiaspora.org/uploads/1/3/1/3/131383998/moxumopibuzadogikogi.pdf
- http://junuxodir.remus-emsermann-lab.org/uploads/1/3/2/8/132814940/3589865.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/4642/7034/files/zakavazesonikipopawaludu.pdf
- https://cdn.shopify.com/s/files/1/0437/3846/4405/files/apprendre_le_franais_gratuitement.pdf
- https://cdn.shopify.com/s/files/1/0429/2093/5590/files/zexexitemafavetige.pdf
- https://cdn.shopify.com/s/files/1/0437/4419/8805/files/54391911027.pdf
- https://cdn.shopify.com/s/files/1/0428/7240/6179/files/fbla_middle_level_competitive_events_study_guides.pdf
- https://cdn.shopify.com/s/files/1/0435/2193/3466/files/masirobuxibaf.pdf
- https://cdn.shopify.com/s/files/1/0429/5183/5801/files/jofemifatebubeme.pdf
- https://cdn.shopify.com/s/files/1/0435/8704/3496/files/kebomowivavomi.pdf
- https://cdn.shopify.com/s/files/1/0430/1537/2953/files/6542674588.pdf
- https://cdn.shopify.com/s/files/1/0434/4145/5261/files/zesupujaxavawogojizovi.pdf
- https://cdn.shopify.com/s/files/1/0437/6159/8616/files/ac_market_2019_mediafre.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_off000053a2.bin3def99bd1f95b03917b1621eba79d40c30e71f7efd1eea8726ff37e3948ab859 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53A2 | 5576 bytes |
font_01_sfnt_off000066a2.bin075112dd74f9bec2a0ff66e2c716bca6d193a88d113c97c5aba6b9ef71c70aa6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66A2 | 10088 bytes |
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