MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, many of which point to potentially malicious or unknown domains, indicating a link farm or redirection strategy. One critical heuristic identified a link to known malicious redirector infrastructure. The document body, though partially corrupted, contains text related to 'memo writing exercises' and a URL that appears to be part of the malicious infrastructure, suggesting a lure to a phishing or malware distribution site.
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/pify?keyword=memo+writing+exercises+with+answers+pdf
- http://files.mounthorebccl.info/uploads/1/3/1/4/131437711/xuzinizobitopus.pdf
- http://nogiko.kunzeartgallery.com/uploads/1/3/0/8/130873995/damuxelujokutelupedu.pdf
- http://tanoresi.ralfmeisenzahl.com/uploads/1/3/1/4/131409090/geperureserepo_norefipakul_kebokukax.pdf
- http://nedigiga.stalbanstpetebeach.org/uploads/1/3/0/7/130739919/8477579.pdf
- https://cdn.shopify.com/s/files/1/0434/4938/5126/files/30755408510.pdf
- https://cdn.shopify.com/s/files/1/0434/5482/4598/files/tratados_internacionales_unam.pdf
- https://cdn.shopify.com/s/files/1/0433/8037/5704/files/understanding_virtue_ethics.pdf
- https://cdn.shopify.com/s/files/1/0430/7599/3764/files/gobojisusorekikuro.pdf
- https://cdn.shopify.com/s/files/1/0435/9510/4418/files/23294824081.pdf
- https://cdn.shopify.com/s/files/1/0434/6698/1542/files/pubexopajikixerijiwonaba.pdf
- https://cdn.shopify.com/s/files/1/0431/4392/1820/files/breaking_the_law_tab.pdf
- https://cdn.shopify.com/s/files/1/0454/6068/4952/files/upload_to_canva.pdf
- https://cdn.shopify.com/s/files/1/0432/8115/4198/files/46709480601.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/59022585862.pdf
- https://cdn.shopify.com/s/files/1/0437/7441/0901/files/vasis.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_off0000878d.bine8900eff04e80a5a3493cc955540f8b92309f34aec7ba168b98d5aefe3239ff7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x878D | 5704 bytes |
font_01_sfnt_off00009af1.bin05b46b2c3ac98c5e3480db38504cff75d18ff74de9e4d7297f8d20603cd3b4a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AF1 | 11228 bytes |
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