MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure, specifically 'ttraff.com'. Additionally, it contains a large number of embedded links to external PDF files hosted on platforms like Shopify, indicating a link farm or SEO manipulation tactic. The ML classifier also strongly indicated maliciousness. The primary attack pattern involves luring users through these links, with 'ttraff.com' being a high-priority IOC.
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/wb?keyword=glandula%20pineal%20funcion%20pdf In PDF document text
- http://files.afmsupplements.com/uploads/1/3/2/3/132302815/972851.pdfIn PDF document text
- http://files.speckmath.net/uploads/1/3/1/4/131437666/daxomixolosotenon.pdfIn PDF document text
- http://files.ugascienceolympiad.net/uploads/1/3/1/3/131382030/dedufiremagozo.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/1/0440/9065/4870/files/mijokurunebuwaju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3378/6525/files/88610097209.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/1314/0643/files/95782284379.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/93158622210.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7592/0282/files/mowosaxuxitilegodigopevif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8290/6789/files/learning_python_o_reilly_6th_edition_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5280/0929/files/calendario_escolar_2020_y_2020_sep_185_dias.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3653/9045/files/7105545514.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5109/6984/files/semotutowejebajeva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8999/2605/files/58159749524.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2759/3376/files/bmi_calculator_chart.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5195/6894/files/36746528046.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7676/4327/files/76692279311.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1685/5453/files/jovix.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_off0000a5f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5F4 | 4908 bytes |
SHA-256: 411e193dec2580a4a5f18477bac2a18c9e69c8a53e8af946264515b87217fb4f |
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font_01_sfnt_off0000b6be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6BE | 11100 bytes |
SHA-256: 80d50ee865500a100f680176eb99ddc393f1fabb65ce54fca5b8309727048abd |
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