MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector service designed to obscure the final destination. The ML classifier strongly indicates maliciousness, and the presence of a redirector link suggests an attempt to lead the user to a malicious site. While no scripts were explicitly extracted, the PDF structure and link farm indicate a phishing or malware distribution attempt.
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.link/123?keyword=simple+and+compound+sentences+worksheet+lesson+24 In PDF document text
- https://cdn-cms.f-static.net/uploads/4387060/normal_5f949d95737cd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373797/normal_5f8c77c8afca8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386361/normal_5f949f444c134.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383146/normal_5f8b7dd8adc84.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368227/normal_5f88a849c1a11.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371800/normal_5f8a03ff8747f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387036/normal_5f8dfd4b1a638.pdfIn PDF document text
- https://s3.amazonaws.com/xanebavifamopez/62790403675.pdfIn PDF document text
- https://s3.amazonaws.com/pazifetanegapu/change_arabic_numbers_to_english_in.pdfIn PDF document text
- https://s3.amazonaws.com/xamibudasagas/horaire_train_amiens_paris.pdfIn PDF document text
- https://xukaxikerebata.weebly.com/uploads/1/3/4/0/134042698/4711416.pdfIn PDF document text
- https://rezizeme.weebly.com/uploads/1/3/0/7/130775554/70f77a9bf0ac1db.pdfIn PDF document text
- https://pevinuwipe.weebly.com/uploads/1/3/0/8/130873962/vefewesipelal-rosurajo-kedefer-samibasejaf.pdfIn PDF document text
- https://s3.amazonaws.com/regufojalojaza/basic_algebra_questions_and_answers.pdfIn PDF document text
- https://s3.amazonaws.com/ritoma/95187611454.pdfIn PDF document text
- https://s3.amazonaws.com/zuxadol/cauchy_euler_equation.pdfIn PDF document text
- https://s3.amazonaws.com/pugomonapoxuxe/22611865564.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/b6888056-3fb5-42b8-abe2-0187416d063e/31768664208.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f5606eb6-1e35-4a6e-be19-ab33d6ac2372/bezodode.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0b7f4092-8e23-4c7a-9e05-78b9963b02ab/jagajunepupax.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001234b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1234B | 5792 bytes |
SHA-256: 466f381a0f681a7c7e212b530b06009459eaa064e8d03380be2b2087f4bd334a |
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font_01_sfnt_off000136ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136EF | 10572 bytes |
SHA-256: 960eca59f3f53081acf1d12efa3fed372b0e06648c454fbe0968a261574e49b2 |
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font_02_sfnt_off00015b06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B06 | 16060 bytes |
SHA-256: 313c3940a6f4aae92ceaa1b1a843de6e6f13411355a457aba6e018c383fce54c |
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