MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, with one identified as a malicious redirector. The document body, though partially corrupted, contains text related to a periodic table and a history of elements, likely a lure to disguise the malicious intent. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious activity.
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=la+tabla+peri%25C3%25B3dica+la+curiosa+historia+de+los+elementos+pdf
- http://files.puravidaworldlyart.shop/uploads/1/3/1/8/131856158/xivozutibolaletiz.pdf
- http://files.rampcheckglobal.com/uploads/1/3/1/4/131437680/4783406.pdf
- http://files.ayerpublicaccess.org/uploads/1/3/2/3/132303170/1474957.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/1700/2405/files/ab_soul_these_days_download.pdf
- https://cdn.shopify.com/s/files/1/0435/2072/1055/files/rujuramofit.pdf
- https://cdn.shopify.com/s/files/1/0437/6343/3621/files/fegululojaze.pdf
- https://cdn.shopify.com/s/files/1/0430/9227/9445/files/bufijawimutujiweketobik.pdf
- https://cdn.shopify.com/s/files/1/0431/7229/8913/files/28371470964.pdf
- https://cdn.shopify.com/s/files/1/0435/5627/4339/files/a_confederacy_of_dunces_summary.pdf
- https://cdn.shopify.com/s/files/1/0435/7767/1843/files/112414673.pdf
- https://cdn.shopify.com/s/files/1/0435/3549/9418/files/39772021324.pdf
- https://cdn.shopify.com/s/files/1/0431/5784/8224/files/90208172459.pdf
- https://cdn.shopify.com/s/files/1/0436/1958/2110/files/bivaferij.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65431134640.pdf
- https://cdn.shopify.com/s/files/1/0437/9095/8752/files/miligajawesidegatorufal.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_off000064e2.bina3a63eae78e50aeea8e4b442109854821c7fee140e1dca0a29eaf2359b4beffc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64E2 | 5612 bytes |
font_01_sfnt_off00007788.binc4126979394d7286bd2b43c3031685332980573a2bb6b9915285d7c3ebf14931 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7788 | 11268 bytes |
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