MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains a URL that matches one of the identified malicious links. This suggests an attempt to direct users to malicious infrastructure, potentially for further exploitation or phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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.me/wix?keyword=muppet+with+red+mustache
- http://files.darkersmathhub.com/uploads/1/3/0/9/130969879/be722e4.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://aacbd4f1-05cf-40c0-a2d2-6be1a62b96df.filesusr.com/ugd/b85eb0_e3182c0b73cf49868d4ba088890f272f.pdf?index=true
- https://41c09ace-3e36-4763-bd2f-1f4e503587e1.filesusr.com/ugd/6908d7_82669b4797d2499e961b8a80990940a8.pdf?index=true
- https://e420843c-8515-4cc4-80a9-8ed1b1ff989a.filesusr.com/ugd/dcc11b_0973720a97044c98b892c00aff12fbf3.pdf?index=true
- https://cdn.shopify.com/s/files/1/0454/3309/4312/files/41605083479.pdf
- https://cdn.shopify.com/s/files/1/0441/4255/9384/files/archer_c7_vpn_performance.pdf
- https://cdn.shopify.com/s/files/1/0438/0845/6861/files/basic_cooking_terms_answer_key.pdf
- https://cdn.shopify.com/s/files/1/0437/4321/5767/files/proving_quadrilaterals_are_parallelograms_worksheet_answers.pdf
- https://cdn.shopify.com/s/files/1/0433/3348/4702/files/jesu_bleibet_meine_freude_organ_sheet_music.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_off0000f20f.bin5ece353c9d05a85f8c0a6b733e5ba4858ea8375cd511fb80e55a4f20d629877c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF20F | 5376 bytes |
font_01_sfnt_off00010449.bin19b51ae7f0ea9d1c45e8318c0446edd7d1aee50aec91ac837943b4b84c7a6bb5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10449 | 10252 bytes |
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