MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a specific malicious redirector URL, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains the target URL, suggesting the intent is to trick the user into visiting a malicious site by appearing to offer a valuable resource. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=goldman+cecil+medicine+26th+edition+pdf In PDF document text
- http://nuxog.chasenigleheart.com/uploads/1/3/1/8/131871721/7452406.pdfIn PDF document text
- http://files.dreamingtreewomenscare.com/uploads/1/3/0/9/130969322/c7738fff2287e24.pdfIn PDF document text
- http://files.all4ucustomcreations.com/uploads/1/3/0/7/130775677/minezetibuler.pdfIn PDF document text
- http://files.napacandle.com/uploads/1/3/1/4/131408364/bebegesemomokon.pdfIn PDF document text
- http://files.rhythmresearchresources.net/uploads/1/3/1/6/131606127/gelizoxi-mevep-xuzumifam.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4321/7830/files/harvard_business_school_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9774/2750/files/20044408674.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6032/0663/files/alternative_investment_market.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6072/1829/files/tupozevemorajomo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8524/2269/files/pathophysiology_of_anemia_of_chronic_disease.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7301/1865/files/astronomy_101.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0469/6472/files/besupinusin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/2446/0445/files/fundamentals_of_rf_and_microwave_transistor_amplifiers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1690/3080/files/79630379814.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9394/0629/files/aristophanes_lysistrata_trke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9291/1007/files/kesunasomofug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5631/7091/files/gadozixuniperefinuda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3901/2502/files/weketopumaxebakapunudogi.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009b97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B97 | 5440 bytes |
SHA-256: c7e75e09190aa4bcd1438450486c3b2403c812403c3553e2e25531aab927fca4 |
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font_01_sfnt_off0000adf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADF8 | 10936 bytes |
SHA-256: e04b5e01c366c989acbb8d12440c7cc3f81bfa57a8cd246c618b2f06e15b3e76 |
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