MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.002 Spearphishing Attachment
The PDF contains a link that redirects to malicious infrastructure, disguised as CCNA sample questions. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the malicious nature of the redirector. Additionally, the PDF exhibits characteristics of a link farm, with numerous external links, as indicated by PDF_SEO_LINK_FARM. No scripts were extracted, but the presence of a malicious redirector and the document's deceptive content strongly suggest a phishing or malware delivery attempt.
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=ccna+sample+questions+pdf
- http://tijivube.bruinsyouthcheer.org/uploads/1/3/2/6/132695615/7888643.pdf
- http://jonute.crosley.com/uploads/1/3/1/1/131164250/gofarubi.pdf
- http://files.lorraineparishuptowndowntown.com/uploads/1/3/0/7/130738748/defiguzamilafa-gunirodif-suziwi-dosasakeveva.pdf
- https://cdn.shopify.com/s/files/1/0447/9696/9109/files/american_female_names.pdf
- https://cdn.shopify.com/s/files/1/0430/5649/6794/files/lopupuxusovedu.pdf
- https://cdn.shopify.com/s/files/1/0433/5661/8917/files/konexofirodekevosig.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tovetutokukike.pdf
- https://cdn.shopify.com/s/files/1/0434/4732/0728/files/83061577783.pdf
- https://cdn.shopify.com/s/files/1/0440/2115/3957/files/aim_training_cs_go_map.pdf
- https://cdn.shopify.com/s/files/1/0437/0500/8293/files/zegabudem.pdf
- https://cdn.shopify.com/s/files/1/0438/4659/8816/files/rubujokusolujetuduz.pdf
- https://cdn.shopify.com/s/files/1/0430/1537/2949/files/abdul_kalam_quotes_in_tamil_free_download.pdf
- https://cdn.shopify.com/s/files/1/0432/7332/2664/files/bukevodukonexitaf.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sakumuxapiwitisozu.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_off00006129.bin07d2c436a5d71e57f0ae4bb9c7a9ef6e1e9b2d4eef3267dfdb2c6a2fafb52698 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6129 | 5236 bytes |
font_01_sfnt_off000072dd.bind4db6ca6b16b52681977d0f64dbffb4f6135db53225d8e5373d30d027bb659c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72DD | 10796 bytes |
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