MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains text related to 'ccna book free download pdf' and includes the malicious redirector URL, suggesting a phishing or scam attempt. The ML classifier also strongly indicated maliciousness.
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=ccna+book+free+download+pdf
- http://files.eboostconsult.com/uploads/1/3/1/4/131438477/3939519.pdf
- http://gipuk.samflynn.org/uploads/1/3/1/6/131606260/jefenuka-mezapa.pdf
- http://files.onceuponatimewells.com.au/uploads/1/3/0/7/130776208/a1b55d08de3eac.pdf
- http://files.phillyyouthdancefest.com/uploads/1/3/2/6/132682051/3f86c299a51.pdf
- http://files.aztecroguefoodsllc.com/uploads/1/3/0/8/130813516/rukubikozifisakive.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/9279/3757/files/antrenmanlarla_geometri_3.pdf
- https://cdn.shopify.com/s/files/1/0437/9767/6192/files/gamixudobifixupo.pdf
- https://cdn.shopify.com/s/files/1/0432/6490/1284/files/logapezamuxomil.pdf
- https://cdn.shopify.com/s/files/1/0437/1100/4821/files/2287450788.pdf
- https://cdn.shopify.com/s/files/1/0438/8611/7032/files/svn_to_git.pdf
- https://cdn.shopify.com/s/files/1/0432/4429/0205/files/factorio_4_to_4_balancer.pdf
- https://cdn.shopify.com/s/files/1/0430/4994/3202/files/11792188889.pdf
- https://cdn.shopify.com/s/files/1/0441/2047/3752/files/westlife_my_love_piano_sheet.pdf
- https://cdn.shopify.com/s/files/1/0430/7946/7162/files/lukinexidabiwaba.pdf
- https://cdn.shopify.com/s/files/1/0434/4043/9446/files/setubowiva.pdf
- https://cdn.shopify.com/s/files/1/0429/6926/8373/files/10109725017.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_off00005ee2.binf9d21c7f0c56db52aea3381cbf9e324ac693fa94e5c5e4663f0864d122e3b0f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EE2 | 5172 bytes |
font_01_sfnt_off0000708c.bin2a1d723844548efc4e4913c9bc14a0d5298b5bec76271a7938a2017e9577ba73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x708C | 10560 bytes |
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