MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be the same as the malicious redirector. The presence of a large number of external PDF links suggests a link farm or SEO poisoning attempt to drive traffic to malicious sites.
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=apex+english+12+sem+1+answers
- http://files.dawnlsievers.com/uploads/1/3/1/4/131407823/vefegegaju.pdf
- http://niriru.lthinchrist.org/uploads/1/3/1/6/131636725/sotamuvemejizifaze.pdf
- http://lekaxulal.vmiengineering.com/uploads/1/3/0/7/130775045/gufawuzaviwaboratu.pdf
- http://wewaj.rambunctiouspress.org/uploads/1/3/0/8/130813528/2d8ca0.pdf
- https://cdn.shopify.com/s/files/1/0433/9082/8705/files/fonife.pdf
- https://cdn.shopify.com/s/files/1/0431/5945/3845/files/css_background_size.pdf
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/kapesipapulodofelinegapul.pdf
- https://cdn.shopify.com/s/files/1/0461/9206/6709/files/larasi.pdf
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/pagatalowelobef.pdf
- https://cdn.shopify.com/s/files/1/0436/3304/9753/files/classic_human_anatomy_in_motion.pdf
- https://cdn.shopify.com/s/files/1/0437/0314/0517/files/94101530172.pdf
- https://cdn.shopify.com/s/files/1/0430/1006/4537/files/70939765524.pdf
- https://cdn.shopify.com/s/files/1/0431/8117/9037/files/pibiduxorolewu.pdf
- https://cdn.shopify.com/s/files/1/0430/0803/2922/files/muxokitofepelukosot.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_off0000932b.bin74b5a4f8898ac7f771af11d23df933b243c5638e4e650a585ecea1e9c190935c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x932B | 5568 bytes |
font_01_sfnt_off0000a60c.binafbf23981d3c7981756cc29fc27d4dd01d6673161b69aa6a27bd2a2b4e936353 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA60C | 13976 bytes |
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