MALICIOUS
234
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, specifically pointing to 'https://ttraff.ru/pify?keyword=seizures+guidelines+uk'. This URL is presented within the document body, suggesting a social engineering lure. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy, likely to improve SEO or distribute malicious content. The ML classifier also strongly flagged this PDF as malicious.
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.ru/pify?keyword=seizures+guidelines+uk In PDF document text
- http://files.kefinancials.com/uploads/1/3/2/6/132681836/9153339fe35b8a3.pdfIn PDF document text
- http://files.papermagicbook.com/uploads/1/3/2/8/132814136/fedakegetefanel.pdfIn PDF document text
- http://files.westofirelandwomensminimarathon.com/uploads/1/3/0/8/130813701/158c79a858ab57.pdfIn PDF document text
- http://files.soaringhawkvineyards.com/uploads/1/3/0/7/130775633/kalitetuwipe.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/1/0431/3320/6690/files/d_d_5e_new_classes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5311/2735/files/46217358614.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4024/2840/files/xuxozimitexipuripe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6179/6248/files/rogitu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8353/9366/files/vipobumawebib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9117/9160/files/55919291229.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8719/9394/files/pabirababelu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7797/5717/files/jogonebavafofoso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7840/9622/files/60781339376.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3289/3857/files/rails_hidden_field_tag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8839/3893/files/95453983416.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8119/5927/files/68969261917.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_off0000651c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x651C | 5000 bytes |
SHA-256: 073ed5f5fdfe661428f7e333596b985071e8bc252aadfca33d3c967c24f7705e |
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font_01_sfnt_off0000762b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x762B | 10244 bytes |
SHA-256: bc6e65ff5001e30b2ffae7db3dfe8b0bdebbcc864b77682c18a3816bf06b048a |
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