MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a link farm and a redirector URL, suggesting an attempt to drive traffic to malicious content. The document body, though obfuscated, contains keywords related to learning materials, likely a lure. The ML classifier strongly indicates maliciousness, and the presence of numerous external links points towards a content-distribution or phishing scheme.
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=britain+for+learners+of+english+workbook+pdf+descargar
- http://xofikal.green-runners.com/uploads/1/3/2/6/132695663/nipuxejekajis_tadezijavabu_kawegisuresib.pdf
- http://files.fremdfeedergirls.com/uploads/1/3/0/8/130874278/7007527.pdf
- http://files.davidfrankdesigns.com/uploads/1/3/1/1/131164187/dizavuxiwibedisufe.pdf
- http://nizaxa.berkshireheroes.org/uploads/1/3/2/6/132683014/tadusevipugib.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/7016/0032/files/58741255111.pdf
- https://cdn.shopify.com/s/files/1/0432/6581/8782/files/32106120542.pdf
- https://cdn.shopify.com/s/files/1/0438/0416/4257/files/famexe.pdf
- https://cdn.shopify.com/s/files/1/0430/3552/5282/files/87504674409.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nubizasijimowedemo.pdf
- https://cdn.shopify.com/s/files/1/0430/2353/2195/files/dafodufirujavomo.pdf
- https://cdn.shopify.com/s/files/1/0431/5067/2033/files/33593502465.pdf
- https://cdn.shopify.com/s/files/1/0430/7727/1703/files/demoxogibup.pdf
- https://cdn.shopify.com/s/files/1/0435/5194/8963/files/99221437635.pdf
- https://cdn.shopify.com/s/files/1/0431/4834/5500/files/vevufuniluzuwana.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zosakasebiribo.pdf
- https://cdn.shopify.com/s/files/1/0431/9726/8128/files/logub.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_off00004591.bin79ccecbf1096e040291ed90daa2146666816627222d61f6fa6f378765d3c415c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4591 | 5760 bytes |
font_01_sfnt_off00005937.bin3125c3dd55de7ab8e9528b66186654eab24a10c776f61947847dbd446b108937 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5937 | 9972 bytes |
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