MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by a machine learning classifier and contains a link farm with numerous external PDF links. One of these links, 'https://ttraff.ru/pify?keyword=solutions+to+climate+change+pdf', points to a known malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The presence of a link farm and a malicious redirector indicates an attempt to lure users to malicious sites.
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.ru/pify?keyword=solutions+to+climate+change+pdf In PDF document text
- http://files.techbrain123.com/uploads/1/3/0/8/130814397/nudefupova.pdfIn PDF document text
- http://files.thestockmansbreakfast.com/uploads/1/3/1/8/131856119/wexifufagofikoxiko.pdfIn PDF document text
- http://files.csroyalty.com/uploads/1/3/1/3/131378953/xipojagazere-vikitimafawitu-jedeboneba.pdfIn PDF document text
- http://files.eaglecreeklavender.com/uploads/1/3/1/3/131398250/lopojurani-bikani-donugobujurulot-kugozetuxazal.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://cdn.shopify.com/s/files/1/0441/0979/1384/files/nujakojigijebapakise.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7264/2460/files/classifying_triangles_game.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9391/5800/files/dufugirawidoxute.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9060/0355/files/bopineg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2930/6263/files/bovebuxadagoninifonolud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0671/4268/files/watogipub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1560/2337/files/60433615942.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8995/2922/files/zonozebapuditenonami.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6529/5526/files/tujazuxuvikowedovutasez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0326/4667/files/30895615488.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0993/2440/files/94564473342.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2318/7614/files/fusoxujulixubatu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7179/8436/files/taxawuzarogu.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_off000072db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72DB | 5456 bytes |
SHA-256: 82ec8a512428bbabc00144e263936ded75125ba5fa97d7184f76ed64e8759f6a |
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font_01_sfnt_off00008534.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8534 | 10548 bytes |
SHA-256: 81a66775e690deda802759ce2d419b31d8234769e5f34cd69b2a4fd5554c9373 |
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font_02_sfnt_off0000a929.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA929 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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