MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links to redirector infrastructure, specifically identified as a link farm and a redirector for SEO phishing. The primary redirector URL is 'https://ttraff.com/pify?keyword=oxford+classical+dictionary+abbreviations+pdf', which is designed to lure users with a fake download. The ML classifier strongly indicated maliciousness, supporting the observed redirection and link farm behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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.com/pify?keyword=oxford+classical+dictionary+abbreviations+pdf In PDF document text
- http://limipaz.natomasschoolofmusic.com/uploads/1/3/1/4/131454012/cf4711fc94141f5.pdfIn PDF document text
- http://files.mattcameron949.com/uploads/1/3/0/7/130776054/4756696.pdfIn PDF document text
- http://files.psuactsci.com/uploads/1/3/1/4/131406659/9954d0a2faa35.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/1/0430/9182/0711/files/25984979324.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4464/9630/files/27081952271.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8909/9938/files/fosotoxarobotukusex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2068/1377/files/the_canterbury_tales_modern_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7152/7325/files/kivur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4143/8366/files/87292196450.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9453/9429/files/konuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1705/2066/files/83194518832.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7547/7405/files/razezezizaneketubupumekud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5560/4134/files/topuvaripelisulew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1724/6632/files/tamuvokomufuzujavo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7935/8869/files/12104230786.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9232/7077/files/rogoxunutazutidepuni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9110/7742/files/kozilubugukerevojuwada.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001910d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1910D | 2868 bytes |
SHA-256: b41bea1b6452f752dbfebed22a84b2b90fbc40f7202eadc28c3945cc57bd146b |
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font_01_sfnt_off00019b40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19B40 | 5548 bytes |
SHA-256: 8b839d33029fe6f04c6f83f9be23d4192b8a8b4d29cf0c9500457298295f13c8 |
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font_02_sfnt_off0001ae39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AE39 | 20404 bytes |
SHA-256: 44d59505aeca8acfcbb0644808e75223826716a910a4d2bc0767e9a58a41b28a |
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font_03_sfnt_off0001e793.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E793 | 16204 bytes |
SHA-256: a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
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