MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting it is a "Far east 3000 chinese character dictionary pdf" and includes the malicious URL. This indicates a likely SEO spam or phishing attempt to redirect users to malicious infrastructure.
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=far+east+3000+chinese+character+dictionary+pdf
- http://files.markspencercook.com/uploads/1/3/1/6/131606125/bowikedelijiban.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/7594/5113/files/synonyms_words_in_english_with_meaning.pdf
- https://cdn.shopify.com/s/files/1/0433/0219/1269/files/jovudufowidowo.pdf
- https://cdn.shopify.com/s/files/1/0431/3592/6434/files/femei_singure_cesare_pavese.pdf
- https://cdn.shopify.com/s/files/1/0428/3249/4751/files/test_credit_card_numbers_with_cvv.pdf
- https://cdn.shopify.com/s/files/1/0431/3251/8549/files/kejemikufemexiraregabi.pdf
- https://cdn.shopify.com/s/files/1/0427/9386/1279/files/waguvixonaduxat.pdf
- https://cdn.shopify.com/s/files/1/0429/6146/9596/files/sorosuxutu.pdf
- https://cdn.shopify.com/s/files/1/0430/8176/0935/files/primary_and_secondary_emotions_chart.pdf
- https://cdn.shopify.com/s/files/1/0435/9431/7981/files/76948019775.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/65545430121.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004d7b.bin51cf872f58ca5a7e8c5341e9425e41c6ca6e3d47ff3f969c81d8603c236bbb46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D7B | 3360 bytes |
font_01_sfnt_off0000597e.bin2e0127d16004d54f4e62df16526241e386e12a08c26f04fafae228619b6502f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x597E | 5572 bytes |
font_02_sfnt_off00006c6b.bineac975aa0fb833aaff13920e43103becb3d84a28d845136867dc2beecc2a4e5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C6B | 10324 bytes |
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