MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO poisoning attempt. One prominent link redirects to a malicious URL, likely intended to lure users into downloading further malware or visiting a phishing site. The ML classifier strongly indicates maliciousness, and the presence of numerous external links supports a social engineering attack vector.
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=adverbios+de+frequencia+em+ingles+pdf
- http://files.socalvetsupport.org/uploads/1/3/0/8/130874652/simapunomaped_rudenevamamin.pdf
- http://files.thegrangeguesthouse.net/uploads/1/3/1/3/131383456/bosowox-pukirujarod-bikap.pdf
- http://kokapoz.alpineadultdaycare.com/uploads/1/3/1/4/131437246/sagonaxubawi.pdf
- http://files.dictionaerie.com/uploads/1/3/1/4/131453194/4389752.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/4389/5958/files/4576382913.pdf
- https://cdn.shopify.com/s/files/1/0431/5843/8056/files/14700395247.pdf
- https://cdn.shopify.com/s/files/1/0431/9130/4343/files/top_github_users.pdf
- https://cdn.shopify.com/s/files/1/0429/3407/5558/files/87314562451.pdf
- https://cdn.shopify.com/s/files/1/0432/5962/5627/files/11193365209.pdf
- https://cdn.shopify.com/s/files/1/0429/8804/4442/files/wejozowavemil.pdf
- https://cdn.shopify.com/s/files/1/0431/7963/8942/files/65495342104.pdf
- https://cdn.shopify.com/s/files/1/0437/8158/7093/files/1936042882.pdf
- https://cdn.shopify.com/s/files/1/0435/4726/3131/files/38311030543.pdf
- https://cdn.shopify.com/s/files/1/0433/8273/5006/files/26144928610.pdf
- https://cdn.shopify.com/s/files/1/0438/4351/8629/files/32273354774.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_off00006529.binc05576113ddb6a75cc9cce4421abdfd685ce8227618012864bf28caf03ac17e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6529 | 5788 bytes |
font_01_sfnt_off000078ca.bincded77480f19cfea4e127aec6c034159b8064914a45a7228bf85211188026b03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78CA | 10456 bytes |
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