MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a link to a known malicious redirector infrastructure, identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. This suggests an attempt to direct users to malicious content, likely for phishing or malware distribution. The presence of a large number of external PDF links, flagged by 'PDF_SEO_LINK_FARM', further indicates a link farm or SEO poisoning tactic to obscure the malicious intent. The ML classifier also strongly indicated maliciousness.
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/wix?keyword=integrales+definidas+ejemplos
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/9623/4400/files/sid_meiers_gettysburg.pdf
- https://cdn.shopify.com/s/files/1/0427/4218/6150/files/30182608595.pdf
- https://cdn.shopify.com/s/files/1/0439/6200/7710/files/xamuvezokumijunedufej.pdf
- https://static.usrfiles.com/ugd/b8c837_218497b50b594ead968c1459b005b99b.pdf
- https://static.usrfiles.com/ugd/f84671_79b1b1e109f64310b69d3b36426065d5.pdf
- https://static.usrfiles.com/ugd/7dd30d_e6bf44d164e04b0c81c252bdb05858a4.pdf
- https://static.usrfiles.com/ugd/726ec9_3288bf8d0a854beba0db57ed2ff69122.pdf
- https://static.usrfiles.com/ugd/b8c837_a70d14e4017c4f3e9b472845f8e7e8a8.pdf
- https://cdn.shopify.com/s/files/1/0432/4907/4336/files/tomevumedavutixewob.pdf
- https://cdn.shopify.com/s/files/1/0440/6562/0118/files/editing_sentences_worksheet_class_9.pdf
- https://cdn.shopify.com/s/files/1/0431/2068/9306/files/wedimozek.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/baxumedufimoval.pdf
- https://cdn.shopify.com/s/files/1/0434/6318/0438/files/metal_gear_msx_rom.pdf
- https://cdn.shopify.com/s/files/1/0437/5222/6974/files/violin_sheet_music_free_pop.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_off00005f22.bin89b0d46dcc7bd7c7bcb33c1e8cf7f1b391452b74ce6178ddfa798671917887ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F22 | 5376 bytes |
font_01_sfnt_off00007151.bin19600bb7949199582fc9340bce23fdace990a10813c92e3fb0ac65f37bc50b6b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7151 | 12512 bytes |
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