MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link farm and a specific malicious redirector URL, indicating a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains the text 'Helen keller worksheets for 3rd grade' and the malicious URL 'https://ttraff.me/wix?keyword=helen+keller+worksheets+for+3rd+grade', suggesting a lure to trick users into clicking the link. The presence of numerous other PDF links further supports the link farm heuristic.
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.me/wix?keyword=helen+keller+worksheets+for+3rd+grade In PDF document text
- http://fizejema.churchoftheholyspirit.org/uploads/1/3/2/6/132696558/e16e73.pdfIn PDF document text
- http://logul.boostfitness.co.uk/uploads/1/3/0/7/130775309/6537297.pdfIn PDF document text
- http://kunuruku.breedengallery.com/uploads/1/3/2/7/132740829/7213947.pdfIn PDF document text
- http://files.livepurebodycare.com/uploads/1/3/2/6/132681438/gusitefa.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://b08921c9-ee94-4b31-9366-7952f41c29c0.filesusr.com/ugd/a382ee_f8ac7120001e4d0383c124db6248f3fe.pdf?index=trueIn PDF document text
- https://fd169d0c-b088-413b-89f5-7d0e9bd35afb.filesusr.com/ugd/3b0c81_58fccc24c99a409595973c62e4fce042.pdf?index=trueIn PDF document text
- https://fac2db32-8e98-4cad-bfc6-d8843c82e520.filesusr.com/ugd/c7a620_781ec32b085f4369a927a89f563b0486.pdf?index=trueIn PDF document text
- https://1d06ba43-cb9c-4d8a-9011-023fb448ca96.filesusr.com/ugd/dc8a8e_7e87d414225f46a29b45960e1e2bb1db.pdf?index=trueIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2830/6330/files/41823203274.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5724/9430/files/munukixiwakifuja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tedix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8797/8913/files/equipment_rental_agreement_template_south_africa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1430/5430/files/glu_credits_hack_apk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0470/8981/1614/files/89584713160.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1062/9532/files/60171520214.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_off0000633b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x633B | 5192 bytes |
SHA-256: 89c7b40cfbd8bcd1287e3eca78d16038dab6fb8bd4a211a3a5fd02e505b3d56e |
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font_01_sfnt_off000074e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74E7 | 10576 bytes |
SHA-256: dd6fba2e9760fe36b68974296d509bd3d65f6073c394d8ee466696c5d9f877fd |
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font_02_sfnt_off000098cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98CD | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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