MALICIOUS
76
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains an embedded URL that redirects to a suspicious domain, identified as a lure for free downloads or phishing. The ML classifier strongly indicated maliciousness, and the PDF structure includes external URI references pointing to this malicious domain. No scripts were extracted, but the overall pattern suggests an attempt to lure users to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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External URI info PDF_URIPDF contains an external URL action
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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://trafffe.ru/123?keyword=what+type+of+bond+is+sulfur PDF link annotation
- https://cdn-cms.f-static.net/uploads/4370071/normal_5f8a014db9d1b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368735/normal_5f9b9c9090ad2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388426/normal_5f90a6caaae8b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365545/normal_5f88fccc115ef.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370785/normal_5f9af41251513.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417308/normal_5f9faa04af6e2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370052/normal_5f9838f4eda7a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/7b4a2633-bd24-4352-aab0-5e03aa71fbc0/nh_tt_c_trong_mt_my_tnh.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7d539332-af3b-4380-92c2-e8b034f3eea6/stardew_valley_bean_hotpot.pdfIn PDF document text
- https://s3.amazonaws.com/lijopavexanuse/how_to_make_a_photo_transparent_ppt.pdfIn PDF document text
- https://s3.amazonaws.com/pibabopuduj/amendment_procedure_in_indian_constitution.pdfIn PDF document text
- https://s3.amazonaws.com/sojaxub/barikufufidir.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7f70ebac-7419-41a4-988f-6dc4b2fcd813/suxotexidagubupiki.pdfIn PDF document text
- https://s3.amazonaws.com/sajatesawodiji/52930869725.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c7ba1251-89c5-473d-a7b0-dd874401eb0f/83940378505.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0501/2239/1712/files/sorexof.pdfIn PDF document text
- https://s3.amazonaws.com/memul/kuliked.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000784e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x784E | 5264 bytes |
SHA-256: 91773c9487857a558d318469317235034c131bc2c931ae562aaac78ed39374ef |
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font_01_sfnt_off00008a30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A30 | 11668 bytes |
SHA-256: 0bce81ff8b3b2ed73fddc2ae343b1c7803f87088f4d64d87c40e842156838eaf |
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font_02_sfnt_off0000afcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFCC | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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