MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious due to a high number of embedded links, many of which point to a redirector service. The ML classifier also strongly indicated maliciousness. The document body contains a URL that appears to be part of a link farm, likely designed to improve search engine ranking for malicious content or to distribute malware. The primary malicious IOC is the redirector URL.
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/pify?keyword=can%2527+t+stop+us+song
- http://gekim.doctorbewell.com/uploads/1/3/1/4/131453674/wabivibotakitom-zagitagosagixi.pdf
- https://cdn.shopify.com/s/files/1/0436/0624/5539/files/nemunemovonasuvomiv.pdf
- https://cdn.shopify.com/s/files/1/0443/2871/4396/files/email_template_zoho_creator.pdf
- https://cdn.shopify.com/s/files/1/0436/1653/4690/files/dajumagiboliwapowirobekuw.pdf
- https://cdn.shopify.com/s/files/1/0428/0143/0695/files/18446403813.pdf
- https://cdn.shopify.com/s/files/1/0428/1267/0111/files/rockwood_pop_up_camper_parts_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/2879/0946/files/operational_amplifier_circuits_theory_and_applications.pdf
- https://cdn.shopify.com/s/files/1/0434/6085/3912/files/bitibododujawurevanurivas.pdf
- https://cdn.shopify.com/s/files/1/0447/9824/7069/files/neuralgia_del_nervio_ciatico_tratamiento.pdf
- https://cdn.shopify.com/s/files/1/0429/0206/1215/files/dynamic_stretching_exercises.pdf
- https://cdn.shopify.com/s/files/1/0428/1804/4063/files/77606140484.pdf
- https://cdn.shopify.com/s/files/1/0432/6424/5925/files/approaches_to_educational_research.pdf
- https://cdn.shopify.com/s/files/1/0446/2844/3299/files/newmar_owners_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/8064/6807/files/17264297009.pdf
- https://cdn.shopify.com/s/files/1/0434/5895/3381/files/fixuvozufoboru.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_off00007990.bind4f3b3326409b609ccf9cfcaf3a73987e2e728fe87c87bfb5753184fbf4289d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7990 | 4800 bytes |
font_01_sfnt_off00008a02.bin73c6a9f536eea50e84cfd0c3c2d8d7054f16f2b514169fcaa50e7e189ab86460 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A02 | 10128 bytes |
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