MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged by multiple critical heuristics for containing malicious redirector links and a large link farm. The primary malicious URL identified is 'https://ttraff.com/pify?keyword=destination+b1+pdf+%25D1%2581%25D0%25BA%25D0%25B0%25D1%2587%25D0%25B0%25D1%2582%25D1%258C', which is likely used to redirect users to a malicious site. The document body contains garbled text but also includes the malicious URL, suggesting an attempt to disguise or embed malicious content within the PDF structure.
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.com/pify?keyword=destination+b1+pdf+%25D1%2581%25D0%25BA%25D0%25B0%25D1%2587%25D0%25B0%25D1%2582%25D1%258C In PDF document text
- http://pemega.thenatureofthecosmos.com/uploads/1/3/1/4/131452922/pamadut.pdfIn PDF document text
- http://files.toptechelectricalproducts.com/uploads/1/3/1/6/131606397/puwebuka.pdfIn PDF document text
- http://files.cityofthayer.org/uploads/1/3/0/8/130874143/temefi_lojokiwipobepe.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/1/0431/2625/9876/files/chemistry_lab_manual_timberlake_9th_edition_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3224/7457/files/pokemon_290_pokedex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9770/1032/files/ronitabone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bukidesokat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9007/6057/files/cultivo_y_crecimiento_bacteriano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7098/8196/files/93153258282.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9552/3485/files/77310275780.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4578/9600/files/gijuda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/7979/8679/files/midusiwebavukuvareselan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5077/0333/files/wupuvazuwide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8649/5400/files/anhedonia_definicion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zosakasebiribo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0806/3649/files/yamaha_outboard_service_manual_download_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5733/9800/files/cell_block_cytology.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_off00004c43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C43 | 5728 bytes |
SHA-256: acf7e2ec70824846952f41f633b13d6fe84560509846c0565edeb1202b4fcaae |
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font_01_sfnt_off00005f4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F4D | 13748 bytes |
SHA-256: 586c58d4fae60c6da49d5e38b1db10c1964ea485fac50d0b56f1463cd5a52376 |
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