MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/wb?keyword=ricoh%20spc240dn%20manual'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to improve the ranking of the malicious redirector. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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/wb?keyword=ricoh%20spc240dn%20manual In PDF document text
- http://files.learningspacesandlearningstyles.com/uploads/1/3/1/4/131483138/dc0d3903.pdfIn PDF document text
- http://files.jfransfarm.com/uploads/1/3/2/7/132710748/9410528.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/1/0430/4211/1650/files/72495743641.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2571/0750/files/39689630039.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5864/1573/files/reading_comprehension_worksheets_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8774/9525/files/kirudonelikevuwureba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2576/6312/files/52552941572.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6820/3942/files/69685258507.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2396/5080/files/a_thousand_pieces_of_you.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4012/6614/files/30494104170.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8933/0325/files/apa_outline_example.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4488/6936/files/encyclopaedia_of_islam_volume_3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0928/6050/files/xipogasajigu.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_off00005e0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E0B | 5584 bytes |
SHA-256: aed04eb80528fd51f39ed0d643621daae1413ae9613922ce4ced728f8087eebe |
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font_01_sfnt_off000070e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70E1 | 15876 bytes |
SHA-256: 8b83460d771143da9cb06ca79285ec156d61e75bda5dffd644acc4d8b6c746f7 |
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