MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which point to a redirector URL. The document body, though obfuscated, contains text suggesting it is a 'Kids guide to the internet 1997', which is likely a lure to disguise the malicious intent. The presence of a link farm and SEO redirector heuristic indicates an attempt to drive traffic to potentially malicious sites. No scripts were extracted, but the PDF structure and embedded URIs strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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External URI info PDF_URIPDF contains an external URL action
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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://traffnew.ru/aws?keyword=kids+guide+to+the+internet+1997 PDF link annotation
- https://povutepumik.weebly.com/uploads/1/3/2/7/132741486/a3ed947.pdfIn PDF document text
- https://natizupasa.weebly.com/uploads/1/3/1/4/131437725/fizosudusozi_virirajam.pdfIn PDF document text
- https://telisawe.weebly.com/uploads/1/3/4/4/134466193/920007.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/4d63cf67-0507-4037-99a2-03f0f13c6786/gasamoreweloxoguma.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0b121079-7308-46b9-ba8d-119d2838ff0a/gumimesavujawiv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c040f3e0-8548-4544-ad00-a1142e491476/mission_view_elementary_school_supply_list.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6035a103-8135-4b1c-bc60-aaacfc9bc4e7/anatomy_of_a_murder_true_story.pdfIn PDF document text
- https://nopuverig.files.wordpress.com/2020/11/xurirof.pdfIn PDF document text
- https://nevosaxovib.files.wordpress.com/2020/11/vuvemi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a8371501-e93b-4952-933c-83392324ee35/78868228890.pdfIn PDF document text
- https://juxabugu.files.wordpress.com/2020/11/pharmaceutical_laboratory_equipment_list.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_off00005f43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F43 | 5104 bytes |
SHA-256: 67bc183c305edf41acadcc91debbef91ae685dffd43d03f23d8cc7ac65abb9a4 |
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font_01_sfnt_off000070ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70AB | 10352 bytes |
SHA-256: 53f9314e3f454952e1146cf4a8a4aff7f604baefb5886f5a43856e4542b00587 |
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