MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=peltier+effect+explained+pdf'. The document body, though heavily obfuscated, contains a reference to this URL, suggesting the primary intent is to redirect users to malicious infrastructure. The presence of a PDF link farm heuristic further supports the malicious nature of the document.
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=peltier+effect+explained+pdf In PDF document text
- http://rawiboze.bertmccoy.com/uploads/1/3/1/3/131398455/vamisabubamuwitigir.pdfIn PDF document text
- http://files.youthdigital.com/uploads/1/3/1/8/131871477/butojafes.pdfIn PDF document text
- http://files.ugascienceolympiad.net/uploads/1/3/1/3/131378943/9441684.pdfIn PDF document text
- http://files.biggleswadesquash.com/uploads/1/3/1/0/131070581/686eb.pdfIn PDF document text
- http://files.siliconvalleycoders.org/uploads/1/3/1/6/131607023/xiputewo.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/1/0432/1617/5263/files/24033363147.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8544/6822/files/agonismo_y_antagonismo_farmacologico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2396/5080/files/jurnal_skripsi_akuntansi_manajemen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2264/6422/files/31497983044.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89377355024.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xiguxalenagidofivixonagez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0772/0094/files/dozakazirejejenekiwub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1222/6200/files/71276048167.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3537/7307/files/modipejasumenibezed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9600/7065/files/6378229661.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9934/8389/files/62186704857.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8082/7558/files/nanolasozetasoxivod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6305/8325/files/pisciculture_tilapia.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009b75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B75 | 5040 bytes |
SHA-256: 0a77c0ce056ac7c866943a01effac329f3d7507360728ce1ccb86bc46d7e4e47 |
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font_01_sfnt_off0000acb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACB3 | 10872 bytes |
SHA-256: e99f767c0236c7fef7990c8115824ec9deb62400498e451aa54cb26350603817 |
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font_02_sfnt_off0000d193.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD193 | 16108 bytes |
SHA-256: b01c3044e69f99e1dd6630ff63a75bd996a5b0513dc473f39d14a928191dbfc5 |
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