MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one pointing to known malicious redirector infrastructure. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content. The document body, though heavily obfuscated, contains text related to 'English writing skills' and a URL that aligns with the malicious redirector finding.
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=english+writing+skills+pdf+ssc
- http://files.gmhpn.org/uploads/1/3/0/7/130775249/mokewifebak.pdf
- http://sebad.hfglacrosse.com/uploads/1/3/2/7/132740580/3d3ef121e606b5.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/1537/2953/files/4180213887.pdf
- https://cdn.shopify.com/s/files/1/0434/3041/2454/files/voxubapuxizinarixigexap.pdf
- https://cdn.shopify.com/s/files/1/0431/9608/8481/files/importance_of_evapotranspiration.pdf
- https://cdn.shopify.com/s/files/1/0428/3973/6487/files/83531290632.pdf
- https://cdn.shopify.com/s/files/1/0429/2070/6204/files/spanish_food_pyramid.pdf
- https://cdn.shopify.com/s/files/1/0432/2469/4939/files/80030763651.pdf
- https://cdn.shopify.com/s/files/1/0437/6775/8999/files/the_way_i_are._mp3.pdf
- https://cdn.shopify.com/s/files/1/0434/7022/5574/files/97493640362.pdf
- https://cdn.shopify.com/s/files/1/0433/0808/9509/files/waloxotazebujofamobimebo.pdf
- https://cdn.shopify.com/s/files/1/0431/7764/0092/files/taximitum.pdf
- https://cdn.shopify.com/s/files/1/0433/7513/2824/files/56257551170.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_off000066fe.binc4ea52a3b491a2dbfa243d77d3428b384393e4759d6da8d8a5277125ef178206 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66FE | 5320 bytes |
font_01_sfnt_off00007921.bine3d4ede0fb3e0ab9f3abc8a390e03cd476661d47c464a07393823d3508cba5be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7921 | 10532 bytes |
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