MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, including one pointing to a known malicious redirector at ttraff.ru. This redirector is likely used to funnel victims to further malicious content. The document body, though heavily obfuscated, contains the target URL, suggesting a social engineering lure related to educational materials. The presence of a large number of PDF links, many hosted on Shopify, indicates a link farm used for SEO poisoning or distributing malicious content.
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.ru/wb?keyword=millennium%20social%20science%20class%208%20pdf In PDF document text
- http://bofanimas.whitehousegrill.com/uploads/1/3/1/3/131384635/3953773.pdfIn PDF document text
- http://files.glynelwyn.com/uploads/1/3/0/8/130874162/4732260.pdfIn PDF document text
- http://files.makingmeaninginmissouri.com/uploads/1/3/1/6/131606256/wawuja_musapud_gitubusowejem.pdfIn PDF document text
- http://wuzagok.globalluxeventures.com/uploads/1/3/1/6/131606289/tisozewugewuja-fimegimopuw-xuwulagixitik-rasabim.pdfIn PDF document text
- http://files.krismcg.com/uploads/1/3/1/0/131069832/dd142.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/1/0437/4754/1153/files/velezabuxugo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1311/1961/files/tumiguxebezakinosesud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6943/2230/files/ham_radio_lookup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3925/0853/files/sazigodanesepofane.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0766/1464/files/weverofod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8833/9354/files/17937358947.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8672/5795/files/74597464958.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2548/9305/files/rabega.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3907/1130/files/grammar_translation_method.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5706/9736/files/little_rock_catholic_study_bible.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7692/7134/files/nugesopa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8713/4882/files/9761634828.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6130/4728/files/wanefoseruma.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_off00005c1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C1D | 5404 bytes |
SHA-256: 892acbf04a47ba2a93cccbcbaaa6ccf5dc792c6e4a4cbdccd6a80e547512d89b |
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font_01_sfnt_off00006e6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E6E | 13220 bytes |
SHA-256: 5f7d5f001acce7757cae4948b8ae8df5b8e7f7aaaf4e75b153eaffa6a532a3cc |
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