MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document functions as a link farm, containing numerous URLs that redirect to other PDF files hosted on disposable domains. One of the primary links directs to a known malicious redirector, suggesting a phishing or malware distribution attempt. The document's structure and the nature of the embedded links indicate a coordinated effort to distribute 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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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=triangle%20congruence%20criteria%20worksheet%20answer%20key#triangle+congruence+criteria+worksheet+answer+key In PDF document text
- http://files.christiestimber.com/uploads/1/3/2/3/132302815/a80bec9c772bc.pdfIn PDF document text
- http://files.biggsbassethounds.com/uploads/1/3/1/8/131857071/84fb7a2093dbc.pdfIn PDF document text
- http://files.annagalatirealtor.com/uploads/1/3/0/7/130776718/979473.pdfIn PDF document text
- http://files.comforttrainer.net/uploads/1/3/2/6/132681002/4312007.pdfIn PDF document text
- http://files.willowwildedges.com/uploads/1/3/1/8/131856443/xukopiwome-tojazelapiz-kasivezobisu-sunezurawuse.pdfIn PDF document text
- http://files.vonderhauswulfgermanshepherd.com/uploads/1/3/0/8/130813797/fivepeno.pdfIn PDF document text
- http://files.jackblairgray.com/uploads/1/3/1/3/131384018/eede518175.pdfIn PDF document text
- http://files.accountinguci.com/uploads/1/3/0/8/130873907/wafizelov-josekijaze.pdfIn PDF document text
- http://files.getitwright.com/uploads/1/3/0/7/130776788/pufim-fafopunatobi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://kumitewefa.files.wordpress.com/2020/06/jidewetotip.pdfIn PDF document text
- https://sunejefu.files.wordpress.com/2020/06/74427110043.pdfIn PDF document text
- https://luxupode.files.wordpress.com/2020/06/ribofoguwifaxat.pdfIn PDF document text
- https://zipovakolo364097725.files.wordpress.com/2020/06/nirerimofurevulige.pdfIn PDF document text
- https://susudamasot.files.wordpress.com/2020/07/73490951703.pdfIn PDF document text
- https://lonewer.files.wordpress.com/2020/06/setilatedideguna.pdfIn PDF document text
- https://wosupasojaz.files.wordpress.com/2020/06/ridukuxupulimuwozipalo.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_off00007fae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FAE | 5148 bytes |
SHA-256: 4ec8458a343ab4e98ffa7b392ddfd216996353bc45e1e0eb05d1f707299442fe |
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font_01_sfnt_off00009139.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9139 | 14140 bytes |
SHA-256: 98bd197052b98149a63147bae50fab0bb41acd182963905d9c9cac58bdceae93 |
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font_02_sfnt_off0000bded.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDED | 16364 bytes |
SHA-256: 5afaeb39d5f06c39974779012071e80103b19eb5204bf15184e0278444506668 |
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