MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to software downloads, suggesting a lure. The ML classifier also strongly indicated maliciousness. The embedded links likely lead to further stages of infection or phishing pages.
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.com/pify?keyword=software+audacity+for+windows+7+free
- http://files.stmarysbnsparents.com/uploads/1/3/1/6/131636855/3496440.pdf
- http://files.skylynart.com/uploads/1/3/0/8/130813827/mupalogo-luxevepemotubi.pdf
- http://pajul.nickynoodlesdoodles.co.uk/uploads/1/3/0/7/130738697/8387082.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/5633/9861/files/adobe_acrobat_create_toolbar_acroiefavclient._dll.pdf
- https://cdn.shopify.com/s/files/1/0430/6491/8165/files/55916665874.pdf
- https://cdn.shopify.com/s/files/1/0437/2345/6661/files/94828894711.pdf
- https://cdn.shopify.com/s/files/1/0438/9529/2059/files/cisternas_de_concreto_armado.pdf
- https://cdn.shopify.com/s/files/1/0432/7112/7208/files/fenasesikabemudexebesoza.pdf
- https://cdn.shopify.com/s/files/1/0433/0350/1989/files/64047436656.pdf
- https://cdn.shopify.com/s/files/1/0435/6099/2927/files/pardoner_s_prologue_and_tale.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1369814796.pdf
- https://cdn.shopify.com/s/files/1/0429/1294/0188/files/11455100603.pdf
- https://cdn.shopify.com/s/files/1/0433/9993/8211/files/gasikedigi.pdf
- https://cdn.shopify.com/s/files/1/0440/7469/6856/files/67644864539.pdf
- https://cdn.shopify.com/s/files/1/0431/0489/5143/files/7405514882.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_off000060d9.bin81606bf5990a3afddb3eb2f42f214ba5897d7df58901b2bc250208924b6ed381 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60D9 | 5360 bytes |
font_01_sfnt_off00007338.bin8b54c27a65804a88c3c43e75347d3c83999e28b4a98e6fabdfbd92b5c4e54a61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7338 | 10288 bytes |
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