MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a prominent link that redirects to a malicious URL, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. This link is presented as a free download for a health-related PDF, a common social engineering tactic. The PDF also contains a large number of external links, flagged as a PDF_SEO_LINK_FARM, suggesting it's part of a link farm operation to boost search engine rankings for 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.ru/wix?keyword=21+day+flat+belly+fix+pdf+free+download
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0447/4234/4853/files/delisevajixisujonir.pdf
- https://cdn.shopify.com/s/files/1/0429/6186/2810/files/jigawodusotivujova.pdf
- https://cdn.shopify.com/s/files/1/0428/3485/4051/files/27572112237.pdf
- https://cdn.shopify.com/s/files/1/0433/7650/9080/files/banking_syllabus_2020_download.pdf
- https://cdn.shopify.com/s/files/1/0436/1093/1358/files/2888140890.pdf
- https://cdn.shopify.com/s/files/1/0429/9600/7065/files/88891047777.pdf
- https://cdn.shopify.com/s/files/1/0461/9773/5575/files/34714539931.pdf
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/jafesugekoz.pdf
- https://cdn.shopify.com/s/files/1/0428/8764/3303/files/xapunafelepibulamesum.pdf
- https://cdn.shopify.com/s/files/1/0432/9714/4990/files/57520012301.pdf
- https://cdn.shopify.com/s/files/1/0427/9628/6111/files/zawibifugu.pdf
- https://cdn.shopify.com/s/files/1/0433/7650/9080/files/moving_coil_voltmeter_and_ammeter.pdf
- https://cdn.shopify.com/s/files/1/0435/5234/2184/files/xiwofevokutulo.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_off00005158.bina7c419926e5ccaf66efe1628a03baafe36fab71967e1aed448b747e06369f392 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5158 | 5348 bytes |
font_01_sfnt_off000063b0.bin40aa6fb83cf2a0e179af93c30b2834080fffd19f88b4e531613b3de8f838efb0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63B0 | 10460 bytes |
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