MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, also contains the URL for the redirector, suggesting an attempt to lure users to malicious content. The presence of a large number of external PDF links further indicates a link farm or SEO poisoning attempt.
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.ru/pify?keyword=letter+s+applique+template
- http://files.jeanpierrebanville.com/uploads/1/3/0/7/130776204/b8928944ce.pdf
- http://files.thechristofbasingstoke.com/uploads/1/3/1/3/131381363/4edbf466.pdf
- http://files.retreatatprairiewind.com/uploads/1/3/2/7/132740639/5017326.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/6759/5169/files/vamorugubiwunugezanozaxe.pdf
- https://cdn.shopify.com/s/files/1/0434/2333/4565/files/wibogubelagelukugotoz.pdf
- https://cdn.shopify.com/s/files/1/0430/7940/1632/files/country_clipper_mower_problems.pdf
- https://cdn.shopify.com/s/files/1/0446/1946/4867/files/reasonable_assurance_in_auditing.pdf
- https://cdn.shopify.com/s/files/1/0433/0248/6180/files/gojodixu.pdf
- https://cdn.shopify.com/s/files/1/0431/5856/9120/files/83019238893.pdf
- https://cdn.shopify.com/s/files/1/0437/9446/4929/files/you_re_way_too_beautiful_girl.pdf
- https://cdn.shopify.com/s/files/1/0431/3242/0264/files/effective_technical_communication_barun_k_mitra.pdf
- https://cdn.shopify.com/s/files/1/0448/1276/3302/files/bacteriological_quality_of_drinking_water.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_off00005e8d.bind909bd9621ce52e2751cffb3c02ee157c8b2c455e5482c859fd6d6b8059b2768 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E8D | 5032 bytes |
font_01_sfnt_off00006f98.bin4fd33339e6f58df1e69bad2c24793f0ee381314022cf178b56c68b6982f5db5f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F98 | 10464 bytes |
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