MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one heuristic specifically identifying it as a PDF SEO link farm. The primary malicious link points to a redirector, suggesting an attempt to lead the user to a malicious site. The ML classifier also strongly indicated maliciousness. No scripts were extracted, and the document body is largely unreadable binary data.
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/wb?keyword=tabla%20de%20valencias%20de%20todos%20los%20elementos%20quimicos%20pdf
- http://bakitix.gbeinc.com/uploads/1/3/0/7/130739590/20e0ec34866715.pdf
- http://pigitafe.leahmarshphotography.com/uploads/1/3/1/6/131636725/koxukepogusokos-lamututal-gutezejotalum.pdf
- http://files.psyencholotry.com/uploads/1/3/1/4/131438337/milesa_turiwixamu_suxetesodofoso.pdf
- https://cdn.shopify.com/s/files/1/0430/9526/1348/files/the_bourne_supremacy_book_download.pdf
- https://cdn.shopify.com/s/files/1/0435/5037/6100/files/tuxopuzebirilipodavalolu.pdf
- https://cdn.shopify.com/s/files/1/0431/0630/4153/files/html_table_attributes.pdf
- https://cdn.shopify.com/s/files/1/0430/8929/7568/files/mamajesilowulopigovizesa.pdf
- https://cdn.shopify.com/s/files/1/0431/4831/2740/files/campbell_biology_10th_test_bank.pdf
- https://cdn.shopify.com/s/files/1/0428/3544/3875/files/bobcat_763_specs.pdf
- https://cdn.shopify.com/s/files/1/0431/9969/2958/files/jejugod.pdf
- https://cdn.shopify.com/s/files/1/0430/1740/4573/files/sisolipufipake.pdf
- https://cdn.shopify.com/s/files/1/0436/0624/5539/files/70377720107.pdf
- https://cdn.shopify.com/s/files/1/0431/7341/3032/files/55307872733.pdf
- https://cdn.shopify.com/s/files/1/0433/6202/5626/files/english_questions_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0428/2207/4534/files/taxam.pdf
- https://cdn.shopify.com/s/files/1/0430/4257/0401/files/toe_kick_saw_lowes.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_off00005c5e.bin240348d084eb4ce67832180f538381eb00c5201f038cbd095e1d260880f972ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C5E | 5480 bytes |
font_01_sfnt_off00006ef9.bince8b8a174e2429edab26ed6e079567ca3c85e8d4f2777d137e6089ecaa537794 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EF9 | 14256 bytes |
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