MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains numerous links, including one pointing to a known malicious redirector at https://ttraff.ru/pify. The document body, though heavily obfuscated, appears to contain the same lure text as the malicious URL, suggesting a phishing or scam attempt. The presence of embedded URLs and the ML classifier's high confidence score indicate malicious intent.
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=high+school+english+grammar+book+pdf
- http://files.fullcrescentpress.com/uploads/1/3/0/7/130739513/sewomatowuvuk_zoseritalu_pexafokak.pdf
- http://files.poehaku.com/uploads/1/3/1/6/131607239/ab7f23f.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/0740/9308/files/556195212.pdf
- https://cdn.shopify.com/s/files/1/0428/3095/4655/files/lomora.pdf
- https://cdn.shopify.com/s/files/1/0431/7826/2689/files/convert_word_to_excel_small.pdf
- https://cdn.shopify.com/s/files/1/0433/3781/0075/files/loxujoduli.pdf
- https://cdn.shopify.com/s/files/1/0448/2777/1040/files/medical_physical_fitness_certificate.pdf
- https://cdn.shopify.com/s/files/1/0432/2426/8968/files/bridge_to_terabithia_questions.pdf
- https://cdn.shopify.com/s/files/1/0437/8663/3377/files/errata_sheet_cplr.pdf
- https://cdn.shopify.com/s/files/1/0436/7358/3781/files/99099533087.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/suramagufumaxuragozud.pdf
- https://cdn.shopify.com/s/files/1/0445/3344/8868/files/aims_and_objectives_of_dissolution_of_partnership_firm.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_off00005920.binf44a293e3f0193212ffa43349263674b2970b6250bdf20748807f316aa276166 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5920 | 5732 bytes |
font_01_sfnt_off00006c66.bin207eb93d9f8bb98690325953e43f6ed204ace071c171c7d0876f4ee0eb65a3b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C66 | 10060 bytes |
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