MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm, with a critical finding of a link to known malicious infrastructure. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. This suggests the primary purpose is to redirect users to a potentially harmful site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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=nerb+dse+study+guide In PDF document text
- http://files.dundassportsmemorabilia.com/uploads/1/3/0/7/130775490/sogawesanijero-kugitivutabaz-feritojugudega-kewemumunatorok.pdfIn PDF document text
- http://files.titandebate.com/uploads/1/3/2/6/132695388/novigoperer.pdfIn PDF document text
- http://files.knowledgeenriched.com/uploads/1/3/1/0/131070362/kanevu_domegeket_fiviw.pdfIn PDF document text
- http://files.lisascakelollies.com/uploads/1/3/0/9/130968912/kujuralon-vejujix-lulesatu.pdfIn PDF document text
- http://files.kariccohairdesign.com/uploads/1/3/2/6/132680905/lanegagixulovufuviv.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/1/0430/6799/8362/files/22348039810.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4047/2214/files/tuduvapemodijug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6203/4589/files/kavagowobobuja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1935/3767/files/bewibatuzekawinuturomi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2399/8874/files/87196274797.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1306/8184/files/sajonofodapigusagowiwimek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8425/1285/files/42518145321.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1234/9334/files/18846520536.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6497/5765/files/sijexusivezazelegap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1267/5990/files/pidovalixorewifitoraguru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2040/3356/files/23062758230.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/arch_linux_viewer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5733/9799/files/42001610215.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_off00006b89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B89 | 4964 bytes |
SHA-256: 6eddbdef6f3533f275ef9195c9350b3bbba8910931ceed85d9163f5cb09fed90 |
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font_01_sfnt_off00007c86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C86 | 10612 bytes |
SHA-256: 987353d2ce26629fce1bc854719f20864b293e2764ce7f4aa5e99f58fdfac253 |
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