MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link pointing to 'ttraff.ru', which is a known malicious infrastructure. Additionally, it features a large number of external PDF links, many hosted on Shopify, suggesting a link farm or SEO poisoning attempt. The document body also contains a callback phishing lure, indicating a potential social engineering tactic to trick users into calling a fraudulent support number.
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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=cra+representative+authorized+form+business In PDF document text
- http://gojoto.sporkbooks.com/uploads/1/3/2/6/132681862/fatoriw-zasorokiw.pdfIn PDF document text
- http://xawepur.shandsschool.org/uploads/1/3/0/7/130776819/6fec18fe19ca.pdfIn PDF document text
- http://vedopu.bernardfraga.com/uploads/1/3/2/6/132681579/kuvusulibitisiw_salurerowox_kupubasevi_noditi.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/1/0437/7578/7162/files/80496266864.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0460/3651/7028/files/camscanner_for_pc_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9726/0192/files/puzodoludexavalo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2965/0856/files/working_capital_analysis_excel_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8202/3061/files/stretching_bob_anderson.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5744/6041/files/desozefifu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6108/3301/files/4109309590.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7540/3929/files/demopolis_alabama_arrest_reports.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2273/7830/files/gifizidajir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1008/8360/files/96053468706.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4096/4759/files/ovulation_calendar_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7244/4823/files/gezebiwawe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4162/0119/files/tableau_priodique.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_off00006808.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6808 | 5404 bytes |
SHA-256: 5f0f9881d3dd51ae79eba7f458c3fde8e1be633e97c9beac0df5a3afd14a2aeb |
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font_01_sfnt_off00007a43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A43 | 10164 bytes |
SHA-256: eac5dac5c098f02d478706097caf783ee7b8b78fdbd689c677d24ce23591f55b |
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