MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links, many of which point to external PDF files, suggesting a link farm or SEO abuse tactic. One of the primary links redirects to a known malicious infrastructure, indicating a phishing or malware distribution attempt. 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=abstract+algebra+dummit+answers
- http://topiwoziz.kikiskreationsca.com/uploads/1/3/1/0/131070786/999516f1cb9.pdf
- http://files.onehumanfamily.org/uploads/1/3/0/8/130814208/fexuwizab.pdf
- http://files.thetailgatist.com/uploads/1/3/2/6/132695633/jamigagiviwepe-savinizuduzij.pdf
- http://files.mikevincentphotography.net/uploads/1/3/1/1/131164027/pubiberuwuwot.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/2384/2983/files/interview_questions_on_cloud_computing.pdf
- https://cdn.shopify.com/s/files/1/0434/0065/9100/files/63484943160.pdf
- https://cdn.shopify.com/s/files/1/0430/3749/1354/files/murabelim.pdf
- https://cdn.shopify.com/s/files/1/0429/9672/7957/files/vijuzagu.pdf
- https://cdn.shopify.com/s/files/1/0434/0888/3870/files/robubuxinam.pdf
- https://cdn.shopify.com/s/files/1/0432/7086/5052/files/46073855998.pdf
- https://cdn.shopify.com/s/files/1/0434/5344/8358/files/infrared_spectroscopy_absorption_table.pdf
- https://cdn.shopify.com/s/files/1/0459/2366/4039/files/lifakaduluga.pdf
- https://cdn.shopify.com/s/files/1/0429/5108/2143/files/57795604801.pdf
- https://cdn.shopify.com/s/files/1/0430/4293/0842/files/61097810062.pdf
- https://cdn.shopify.com/s/files/1/0433/7342/8888/files/private_hottie_nyc.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_off00005d22.bin41bee49e099daf6c9ae28c5ca6f022ecfceef2040d50a6d5f2141336219a222a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D22 | 5480 bytes |
font_01_sfnt_off00006fae.bin9a5a79610e5431938937878ed9ff8e84e0a227018620b58af0854a08fb3601a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FAE | 14928 bytes |
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