MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous links, many of which point to a link farm designed to redirect users to potentially malicious content. One prominent URL, 'https://ttraff.cc/pify?keyword=anemia+por+deficiencia+de+%25C3%25A1cido+f%25C3%25B3lico+pdf', is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness, supporting the conclusion that this document is part of a phishing or redirection scheme.
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.cc/pify?keyword=anemia+por+deficiencia+de+%25C3%25A1cido+f%25C3%25B3lico+pdf
- http://files.fcsiservices.com/uploads/1/3/0/7/130740521/kepewixuwezolat-gezakutolu.pdf
- http://tuweg.mvgate.org/uploads/1/3/1/6/131606490/e1b6bb01c2ed.pdf
- http://files.magicaltripplanner.com/uploads/1/3/1/8/131871554/3207216.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/5893/8531/files/wakitivapog.pdf
- https://cdn.shopify.com/s/files/1/0436/7115/8949/files/78636476774.pdf
- https://cdn.shopify.com/s/files/1/0434/2651/3048/files/89114507251.pdf
- https://cdn.shopify.com/s/files/1/0433/8538/9206/files/31980930351.pdf
- https://cdn.shopify.com/s/files/1/0432/5523/4710/files/8775320406.pdf
- https://cdn.shopify.com/s/files/1/0439/1131/5611/files/40271066853.pdf
- https://cdn.shopify.com/s/files/1/0432/6057/5894/files/5957067880.pdf
- https://cdn.shopify.com/s/files/1/0428/3714/7811/files/85839713435.pdf
- https://cdn.shopify.com/s/files/1/0427/9166/5830/files/mulixamaziwofazosodutaf.pdf
- https://cdn.shopify.com/s/files/1/0431/3815/4653/files/zarekafe.pdf
- https://cdn.shopify.com/s/files/1/0432/4917/2643/files/4_qul_surah_in_english.pdf
- https://cdn.shopify.com/s/files/1/0431/6663/0050/files/filurunomonilajati.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_off00006064.bincf96873bd2717a9ccf1f08ad38ddcd3d69a94467213b5e30d0abf6ec5f9efd39 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6064 | 5484 bytes |
font_01_sfnt_off0000720f.bin4ac3d5f0fb49df50435cdf446faa8fd9b069c03cae6b09f20ba06bb03de596e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x720F | 10396 bytes |
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