MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, with one prominent link leading to a redirector service. This redirector is configured with a keyword suggesting a lure for exam preparation materials, likely to entice clicks. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed for malicious redirection.
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/pify?keyword=real+estate+license+exam+for+dummies+pdf In PDF document text
- http://files.watersportsinkorea.com/uploads/1/3/0/7/130776420/4c679c3.pdfIn PDF document text
- http://files.ronkachelmeier.com/uploads/1/3/1/4/131437724/9296702.pdfIn PDF document text
- http://files.housefinchinvestors.com/uploads/1/3/1/4/131453527/sapaxozumugaxe-gabakepax-vejupi-wufid.pdfIn PDF document text
- http://fugomumu.chrystalhardt.com/uploads/1/3/1/1/131164250/fenetesixuzo_kavexozu_depevog.pdfIn PDF document text
- http://files.santafest.ca/uploads/1/3/0/8/130874380/61e5615.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/1/0430/5112/2842/files/vilovipivusidozafopidano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8163/8812/files/aggregation_induced_emission_fundamentals.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5655/4394/files/80020925827.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9667/0365/files/52295685061.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/48880371243.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6819/4978/files/7784729090.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6378/8188/files/access_control_list_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4583/8248/files/adolix_split_merge_portable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2986/2312/files/polumiporanejamitamugi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2026/2308/files/importance_of_hygiene_and_sanitation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5717/6986/files/rubikenejemijugulijelun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2325/1094/files/duluf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7005/3784/files/k_project_episode_1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7400/9753/files/spelling_rules_for_plurals.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000725a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x725A | 3212 bytes |
SHA-256: 6b73578daef1490c1b2929d0444a811a164443739a69df5ca7509217de3ce98a |
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font_01_sfnt_off00007dd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DD8 | 5256 bytes |
SHA-256: caf1dde161841ae2e10709d905fe4d8aa725a8008d1f905b6b6087606e14388a |
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font_02_sfnt_off00008fa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FA0 | 11028 bytes |
SHA-256: 17994e1ca4232c37d9c23eabb6fd975471129b0a5fa38222752f195ac3cbc1fd |
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font_03_sfnt_off0000b510.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB510 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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