MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains a significant number of embedded links, with one identified as a malicious redirector. The ML classifier also flagged this PDF as malicious. The presence of a link farm suggests an attempt to manipulate search results or distribute malicious content through a large number of seemingly innocuous PDF files.
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.cc/pify?keyword=calendario+abril+2020+chile+pdf
- http://files.ashevillewritersintheschools.org/uploads/1/3/2/7/132740552/3094792.pdf
- http://gixofu.savingthosewhosaveus.com/uploads/1/3/1/6/131606490/bitopalexora-pusefexaxili.pdf
- http://files.openmindfitness.com/uploads/1/3/1/8/131856277/1050728.pdf
- https://cdn.shopify.com/s/files/1/0429/6992/3743/files/kinokixinojivuv.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/69262577592.pdf
- https://cdn.shopify.com/s/files/1/0437/5019/5354/files/consumer_awareness_meaning.pdf
- https://cdn.shopify.com/s/files/1/0428/1712/6567/files/pajedimiparojupisozutupir.pdf
- https://cdn.shopify.com/s/files/1/0438/0744/1053/files/edexcel_ial_a2_chemistry_data_booklet.pdf
- https://cdn.shopify.com/s/files/1/0435/8746/9471/files/28637601038.pdf
- https://cdn.shopify.com/s/files/1/0432/7895/8758/files/gabasuxarupu.pdf
- https://cdn.shopify.com/s/files/1/0429/8165/4679/files/statistical_quality_control_montgomery.pdf
- https://cdn.shopify.com/s/files/1/0431/8180/1629/files/96974392377.pdf
- https://cdn.shopify.com/s/files/1/0433/4744/3865/files/line_and_angle_relationships.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/39738284996.pdf
- https://cdn.shopify.com/s/files/1/0436/7689/3334/files/bukaxuguwerexelikax.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_off00004c3e.binbd444a7bb621b60ed9e78c7e23f611e012208473e1a93a6f9add125e7e0994ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C3E | 5384 bytes |
font_01_sfnt_off00005e80.bine9d99cab8180298c35958ad2028fe6e601ea7c2ea5d204541c157be9c59c4a30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E80 | 10496 bytes |
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