MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links designed to create a link farm, with a primary malicious redirector URL. The document body, though heavily obfuscated, contains the malicious URL and benign-looking URLs, suggesting a lure to download potentially malicious content. The ML classifier strongly indicates maliciousness.
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/pify?keyword=du+ma+sociology+syllabus+pdf In PDF document text
- http://sizan.diaryofadogmom.com/uploads/1/3/0/7/130775934/2038423.pdfIn PDF document text
- http://kuwifup.wakeupandwritewrw.com/uploads/1/3/1/4/131407005/fodemugidavil.pdfIn PDF document text
- http://files.aeebeh.net/uploads/1/3/2/7/132740377/dodabosukog-kikovajalir-vitanudume-wusitemetuk.pdfIn PDF document text
- http://files.nppopb.com/uploads/1/3/1/4/131452942/piseruzatamigu.pdfIn PDF document text
- http://files.highschoolmathlive.com/uploads/1/3/2/8/132815737/ac0f7373fa.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://cdn.shopify.com/s/files/1/0431/1613/4551/files/fufixovebirodujodixoxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3901/4562/files/milin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7732/7265/files/vetutifoxavo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9451/5614/files/45508285537.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0055/1830/files/renewable_energy_sources_in_nigeria.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4215/8245/files/49873164875.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0714/7162/files/jagurodopigobomawakupuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4929/5776/files/kifaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4686/8891/files/13118280399.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7399/3890/files/xomiviwanagewe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5136/8104/files/74840179784.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1628/1512/files/civ_5_spain_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9332/7008/files/8838732375.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_off00009b85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B85 | 5196 bytes |
SHA-256: 17d5ab988420d2b0f9e94e97764f4a4122acbd947db141c7ddc0f1c6d37af8e9 |
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font_01_sfnt_off0000ad31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD31 | 14592 bytes |
SHA-256: 87d0221b1c3e1ea74211be73dc1976df9acac2db38a0bd9bbc44624ef48fbd97 |
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font_02_sfnt_off0000dab1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAB1 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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