MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains, suggesting a link farm or SEO spamming operation. One prominent link directs to a known malicious redirector, indicating a malicious intent to lead users to harmful content. The ML classifier also strongly flagged this PDF as malicious.
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=auditing+assurance+services+a+systematic+approach+11th+edition+pdf
- http://files.strangeisstandard.com/uploads/1/3/1/1/131164176/lineg-nanepujutut.pdf
- http://files.sambesca.com/uploads/1/3/1/4/131483266/batijinaputawatuge.pdf
- http://files.fccsewingministry.com/uploads/1/3/0/9/130969061/gateko_wujuzukezosowu_puwivuroxudaz_naxejusawubetuj.pdf
- http://files.mooneyhsclassof66reunion.org/uploads/1/3/1/3/131382808/tozonaluwojali.pdf
- http://files.cclaytonthompsonbookseller.com/uploads/1/3/1/4/131406269/nidevesibatip.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/4062/8120/files/pajuvoja.pdf
- https://cdn.shopify.com/s/files/1/0432/0188/8416/files/sahih_bukhari_hadith_in_english.pdf
- https://cdn.shopify.com/s/files/1/0433/0723/7531/files/22284554083.pdf
- https://cdn.shopify.com/s/files/1/0432/3062/5950/files/29452586007.pdf
- https://cdn.shopify.com/s/files/1/0432/9901/2766/files/3822787151.pdf
- https://cdn.shopify.com/s/files/1/0430/0177/4233/files/18213005148.pdf
- https://cdn.shopify.com/s/files/1/0430/5934/7618/files/nakunabaruse.pdf
- https://cdn.shopify.com/s/files/1/0432/9878/3382/files/foxit_convert_to_word.pdf
- https://cdn.shopify.com/s/files/1/0434/6803/0102/files/table_tech_money.pdf
- https://cdn.shopify.com/s/files/1/0432/8184/2341/files/sixitokofiw.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_off00004916.binaada06b52f42eeba87b74331c6237d501e5526293756abe4c265c11cf77e010e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4916 | 5740 bytes |
font_01_sfnt_off00005c8d.binb9ddcc18e5ddcc4c6bf13d3c1bf1854f9972c8865b59da454573d401dc8c83e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C8D | 9680 bytes |
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