MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though partially corrupted, contains text referencing '3ds max 2020 book' and a URL pointing to a redirector. This suggests the document is designed to lure users to malicious infrastructure under the guise of providing a resource. The ML classifier strongly supports the malicious nature of this PDF.
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=3ds+max+2020+book
- http://gopunuwiv.naramatachildcare.com/uploads/1/3/2/8/132814930/6174374.pdf
- http://kawawo.northwestbiscotti.com/uploads/1/3/0/7/130739564/139990.pdf
- https://cdn.shopify.com/s/files/1/0434/0819/5738/files/6584559425.pdf
- https://cdn.shopify.com/s/files/1/0437/9289/2053/files/jokapopamobezoritoxa.pdf
- https://cdn.shopify.com/s/files/1/0440/1430/5430/files/30194025787.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/31052941417.pdf
- https://cdn.shopify.com/s/files/1/0451/4018/1146/files/structural_reliability_analysis_and_prediction_melchers.pdf
- https://cdn.shopify.com/s/files/1/0463/2503/9266/files/free_english_worksheets_for_grade_3_grammar.pdf
- https://cdn.shopify.com/s/files/1/0432/3832/6432/files/lightroom_2017_download.pdf
- https://cdn.shopify.com/s/files/1/0435/4359/3109/files/simile_metaphor_personification_worksheet_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0431/6574/5303/files/29735774425.pdf
- https://cdn.shopify.com/s/files/1/0430/9758/7861/files/dragonballz_flash_games.pdf
- https://cdn.shopify.com/s/files/1/0445/3960/9252/files/estructura_de_los_materiales_ceramicos.pdf
- https://cdn.shopify.com/s/files/1/0432/2924/9694/files/translate_from_spanish_to_english_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0433/4967/2091/files/causes_of_poverty_in_the_philippines.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006372.bina1c73c38b15681956bc8855cf55cd6283b6920edb03c2b9e80cabe75f2464f30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6372 | 5456 bytes |
font_01_sfnt_off000075ef.bin08ec686de6e76aa3da13478b1715215b7119e11a461c10f7ea55a1662bfb48e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75EF | 10332 bytes |
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