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, indicating a link farm designed for SEO manipulation. One of the primary links, 'https://ttraff.ru/wix?keyword=glucerna+shake+advance', is flagged as a known malicious redirector. This suggests the document's purpose is to drive traffic to malicious infrastructure, likely for further exploitation or phishing.
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/wix?keyword=glucerna+shake+advance
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_02fdf7ef2b034ecda35f0a51f9c8da88.pdf
- https://static.usrfiles.com/ugd/99afdc_12c45caf0a5f41188af5d035413bcaa3.pdf
- https://static.usrfiles.com/ugd/b8c837_104ba1b2b00b40cab1152d3abcee4455.pdf
- https://static.usrfiles.com/ugd/b8c837_56832bff5e0b4c5982dfa82bff44cd28.pdf
- https://static.usrfiles.com/ugd/d54300_d0a65a5e07114f9b85248dfde64e1f89.pdf
- https://cdn.shopify.com/s/files/1/0437/2063/8632/files/80168118346.pdf
- https://cdn.shopify.com/s/files/1/0431/4670/7104/files/factory_data_reset_android_tv.pdf
- https://cdn.shopify.com/s/files/1/0433/8761/7436/files/55233060565.pdf
- https://cdn.shopify.com/s/files/1/0435/2904/4119/files/64412333860.pdf
- https://cdn.shopify.com/s/files/1/0434/5279/2982/files/kuremawixegeg.pdf
- https://cdn.shopify.com/s/files/1/0429/9007/6057/files/58045902451.pdf
- https://cdn.shopify.com/s/files/1/0439/7016/6942/files/89475220017.pdf
- https://cdn.shopify.com/s/files/1/0437/6484/2647/files/theologies_of_ancient_greek_religion.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_off00005c33.bin4d961342e0dfcbc908e33f6f468e24772415f2a6bfe3f55a11e75b2df96bcc94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C33 | 5180 bytes |
font_01_sfnt_off00006dcb.bin8e72154b0701773a1d0c968d4656d5741c68aa2ea5e5865cbf38556a6121c9df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DCB | 10932 bytes |
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