MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple critical heuristics indicating malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains a large number of embedded URLs, including a suspicious redirector at 'https://ttraff.ru/pify?keyword=beckhoff+ipc+performance' and numerous links hosted on Shopify, likely part of a link farm to distribute traffic or host malicious content.
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=beckhoff+ipc+performance In PDF document text
- http://gagedi.woodcraftguildtasmaniainc.com/uploads/1/3/1/6/131636644/ruzijemefototi-wofuko-negokuni-xowenugogi.pdfIn PDF document text
- http://files.lifewithtoribrand.com/uploads/1/3/0/8/130874317/fapetuvi.pdfIn PDF document text
- http://files.marykmurphyart.com/uploads/1/3/0/7/130739294/kidabiteso.pdfIn PDF document text
- http://files.christinamascarenas.com/uploads/1/3/1/0/131070207/pebonokekesizi.pdfIn PDF document text
- http://files.josezayaspr.com/uploads/1/3/0/7/130739951/lexerejibube.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/1/0438/3778/4224/files/cambridge_primary_english_activity_book_stage_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9866/9220/files/gaxinesotureniserorabox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6840/7464/files/cloridrato_de_cetamina_bula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9119/0167/files/94514160455.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0174/1463/files/xexazivotalezikuwezo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/nuxaxeredabetiweriki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4185/7431/files/cirrosis_hepatica_tratamiento_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2506/2298/files/vorapilasaxidi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9336/7710/files/39167843393.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5575/9011/files/budget_sheet_printable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8730/6658/files/computer_capsule_for_nabard.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5969/2191/files/host_files_in_windows_7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2625/0917/files/12421995433.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_off000073e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73E0 | 5160 bytes |
SHA-256: e8757c3819b69763f813262d260863f61986d790ef09397e9f56c15834731074 |
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font_01_sfnt_off00008540.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8540 | 14280 bytes |
SHA-256: 6e5528747295ecbca4e810fed5eecfbd3323feed6d6c94de17c028aefc720404 |
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