MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to mimic search engine results, directing users to a malicious redirector at 'https://ttraff.ru/pify?keyword=antenna+and+wave+propagation+by+bakshi+pdf+free'. This tactic is commonly used to distribute malware or conduct phishing attacks. The ML classifier strongly supports the malicious nature of this PDF.
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=antenna+and+wave+propagation+by+bakshi+pdf+free In PDF document text
- http://files.rhondaleannestock.com/uploads/1/3/2/6/132682686/3619471.pdfIn PDF document text
- http://files.luebtowj.com/uploads/1/3/1/4/131454696/kuxowi-xitafupuxipana-vobomerul-fowixakajad.pdfIn PDF document text
- http://files.empirepanj.com/uploads/1/3/0/7/130775831/6678807.pdfIn PDF document text
- http://files.healingjourneyhypnotherapy.com/uploads/1/3/0/8/130813663/limexo_tuzefikejunuzaw_zujafo_sugoperad.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/1/0436/4579/6512/files/wazidubedofezagomuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2031/2991/files/wejatozi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4748/3552/files/gavozitapisavukufamumu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6799/8362/files/patewu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7367/3118/files/36268657313.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/9865/6158/files/star_trek_technical_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8848/5288/files/71149248476.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7496/8997/files/barosagotek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3595/9191/files/mad_catz_rat_7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nanejixiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2396/5079/files/jazupiduvesijakukuzituv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7646/0447/files/72375204645.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000433c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x433C | 5716 bytes |
SHA-256: f2b72033dfb79822d5a79f68a5b73b53c36d09b0451f1cd55dbd2bfdeaed159b |
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font_01_sfnt_off000056d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56D2 | 9444 bytes |
SHA-256: 22032c6ec2e66fd7136c30b36b7a4f0f1a4e2e1bd70be8292dc148387310f876 |
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font_02_sfnt_off0000772f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x772F | 16580 bytes |
SHA-256: 9df8c40fc6fd7f680bf2a887f80a733806ef0ef3253ead95262a0588c735ede2 |
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