MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic indicates that the PDF links to known malicious redirector infrastructure, specifically 'https://ttraff.ru/pify?keyword=physical+science+grade+11+mechanics+pdf'. This suggests the document is designed to redirect users to malicious sites under the guise of providing academic content. No scripts were extracted from this sample.
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=physical+science+grade+11+mechanics+pdf In PDF document text
- http://files.thevillasatpleasantvalley.com/uploads/1/3/1/8/131856173/10b65321d8.pdfIn PDF document text
- http://tiwajaj.otterhounduniversity.com/uploads/1/3/2/7/132740720/dasam.pdfIn PDF document text
- http://rusaxup.baldwinhillselementaryschool.com/uploads/1/3/0/9/130969754/a3864a3b2ef8b98.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0451/3703/5429/files/best_risk_management_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5322/7936/files/action_potential_of_cardiac_muscle_pdf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81159011373.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4988/6620/files/77740766593.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3490/1671/files/d_d_complete_scoundrel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1583/9645/files/catalogue_sacem_transformateur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2995/4721/files/free_download_tailoring_books_in_marathi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7599/3764/files/dolevilofagitojudugin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8549/6482/files/58209404301.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4429/8133/files/marasmus_pathophysiology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0531/2154/files/lopobufusasiwisubigun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7993/1806/files/87499212577.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8631/5682/files/betapuvutuguwiwobe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8070/3382/files/xilowuxaxevul.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005b8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B8C | 5320 bytes |
SHA-256: 58c4f572b631aa41df822f0b6f6fc861d47c64003876ef5afdcbd425b61f0361 |
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font_01_sfnt_off00006d63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D63 | 9932 bytes |
SHA-256: fa86f80a40f3e380ea6b1c043a5b901fd3701beebf831e9ad270d5d047e771df |
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font_02_sfnt_off00008f55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F55 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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