MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to redirector infrastructure or link farms, indicating a malicious intent to distribute further malicious content. The primary link, 'https://ttraff.me/wix?keyword=health+science+2+study+guide', is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to a 'Health science 2 study guide', suggesting a lure to entice users to click the malicious links.
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=health+science+2+study+guide In PDF document text
- http://files.roguevalleycavaliers.com/uploads/1/3/0/7/130776065/ce641c3c001a97.pdfIn PDF document text
- http://files.hollingertennis.net/uploads/1/3/0/7/130776401/xurosevodub-xifewu-tijebubewin.pdfIn PDF document text
- http://files.carlakreftnd.com/uploads/1/3/1/8/131856907/siwuva-jumevibunut-vuzuduson.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4131/5223/files/15373865145.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1931/3053/files/kedit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0177/3212/files/ridejiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6113/3990/files/saint_row_2_unlockables.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5092/5223/files/oxford_phonics_world_1_workbook_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8774/0576/files/16919962505.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5865/8454/files/midapatidiniwowuperolenod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0096/2977/files/asrs_report_nasa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8993/7055/files/battle_cats_hack_apk.pdfIn PDF document text
- https://6fea5e09-e306-4ec0-8995-2dce0ccc0383.filesusr.com/ugd/38eac1_d6a78eb285194748ae8281be1f450fa0.pdf?index=trueIn PDF document text
- https://2efa6573-0b08-4293-851b-e9b909719b20.filesusr.com/ugd/2eedf1_6a9e033e86bc4f81b2a23a01b1b2a833.pdf?index=trueIn PDF document text
- https://fb90eb94-b752-4bb7-80aa-d22de366005a.filesusr.com/ugd/d2cc1f_983e5de9f360476587068811ab33f002.pdf?index=trueIn PDF document text
- https://51036aa8-986b-4412-907b-11568e6bea35.filesusr.com/ugd/72b0e7_23fee27331c043cf8cf8c076e1cfad55.pdf?index=trueIn PDF document text
- https://0843abe2-e1b2-46c7-b1bd-725eb6c675b1.filesusr.com/ugd/d31907_faf87d56e94d4f1bb024ac88ce3f1074.pdf?index=trueIn 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_off00007578.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7578 | 5300 bytes |
SHA-256: f036223a86810c4162545f87fba0e1611ac240a2473abeb99cea24d08779bae8 |
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font_01_sfnt_off00008783.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8783 | 10672 bytes |
SHA-256: 78a4b57b68727a73facae0e8c198505b0fa31e1af84b5a12759337d99b2fb6af |
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