MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external PDF links, suggesting an attempt to manipulate search engine results or distribute malicious content. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests the document may be part of a multi-stage attack involving password-protected archives.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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/wb?keyword=que%20es%20lean%20construction%20pdf
- http://files.londontowalsingham.com/uploads/1/3/2/3/132302780/6d82e.pdf
- http://files.vtssc.org/uploads/1/3/0/7/130738799/1ff071dc.pdf
- http://files.shekkacomputers.com/uploads/1/3/2/8/132814050/5924746.pdf
- http://files.jeffersonelementarypta.org/uploads/1/3/0/8/130874566/natered.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/8045/8144/files/38052848405.pdf
- https://cdn.shopify.com/s/files/1/0433/2870/0571/files/ragarexikezinaneg.pdf
- https://cdn.shopify.com/s/files/1/0431/5637/3659/files/16695456366.pdf
- https://cdn.shopify.com/s/files/1/0430/0147/9321/files/27570713932.pdf
- https://cdn.shopify.com/s/files/1/0443/7016/5916/files/adm_logo.pdf
- https://cdn.shopify.com/s/files/1/0433/5996/1239/files/twelve_ordinary_men.pdf
- https://cdn.shopify.com/s/files/1/0434/7153/6285/files/96418862252.pdf
- https://cdn.shopify.com/s/files/1/0431/8524/2269/files/87523934048.pdf
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/lipid_bilayer_structure.pdf
- https://cdn.shopify.com/s/files/1/0437/0700/7127/files/53688413131.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_off00006ce5.bin05d7480dbefc575e73105e4c7e9c9cfeba44ca46ae09ff62ea25698e1c0a5dce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CE5 | 5212 bytes |
font_01_sfnt_off00007eae.binb3fbbe8effe6b62be69e94bcc659d64352aa97788609a37a16a7b73e1be8f54a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EAE | 11688 bytes |
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