MALICIOUS
202
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, suggesting a phishing or scam attempt. The embedded URLs point to a redirector that likely serves malicious content, disguised as a software download. The ML classifier strongly supports the malicious verdict.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=adobe+acrobat+reader++10 In PDF document text
- http://makufi.rb-tactical.com/uploads/1/3/2/8/132814930/zemagijox-gozolodetali-xulake.pdfIn PDF document text
- http://files.meadowsterrehaute.com/uploads/1/3/1/8/131856173/reziratotud.pdfIn PDF document text
- http://files.centrestagedancestudios.com/uploads/1/3/1/1/131163747/xakawo.pdfIn PDF document text
- http://files.stringsforhope.com/uploads/1/3/1/6/131606546/wimisi_vogudabuv_tewelewuf_sanukodanoxe.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/1/0428/9835/8432/files/58014629257.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9567/7346/files/shielding_and_deshielding_effect_in_nmr_spectroscopy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tazoxusejeko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/46456123156.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/3444/7770/files/java_config_files.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4102/9276/files/synology_assistant_xpenology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2400/6823/files/96868999085.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3470/6069/files/schizophrenia_nursing_diagnoses.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8568/5153/files/60355638994.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008e6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E6E | 5632 bytes |
SHA-256: 07953696a1d40fc423c14342313cbcb65eb5c3739189dadd9d7185c2a975d9f8 |
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font_01_sfnt_off0000a1f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA1F7 | 5044 bytes |
SHA-256: d51c53ee36605136ee5281135b990fb614f1fcd6dea20fb27bb0ab43d292f817 |
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font_02_sfnt_off0000b32f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB32F | 10584 bytes |
SHA-256: 77e56b85826eb02d524ff30b9bea2a3896113233599fd08a3327982c19f64dbd |
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font_03_sfnt_off0000d7a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7A4 | 16064 bytes |
SHA-256: ac177355b6614943054c4ed2a5eafcdd2a75510fb44b78c06357b7560844a6f2 |
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