MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of embedded links, with one pointing to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The document's structure suggests it's part of a link farm designed to manipulate search engine results or distribute malicious content, likely via spearphishing attachments.
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.com/wb?keyword=gluconeogenesis%20pdf%20files In PDF document text
- http://files.dallasbrunchclub.com/uploads/1/3/1/3/131379740/137341eac35bde.pdfIn PDF document text
- http://files.wyomingspeechlanguagehearingassociation.org/uploads/1/3/1/4/131409709/fudokef-kagiwomajapaj-xixamez-vipajadimagom.pdfIn PDF document text
- http://files.badassbookbox.com/uploads/1/3/0/9/130969034/2877523.pdfIn PDF document text
- http://files.oace.co/uploads/1/3/1/3/131381781/parotakime.pdfIn PDF document text
- http://files.stlpti.com/uploads/1/3/2/6/132683088/5502f414b.pdfIn PDF document text
- http://files.thewardrobeclothing.com/uploads/1/3/2/3/132303075/giwipeb.pdfIn PDF document text
- http://files.estellessweetitchblankets.com/uploads/1/3/1/4/131409170/tixavaxanepuluxuvit.pdfIn PDF document text
- http://files.heartofillinoisorff.org/uploads/1/3/1/3/131379371/9586210.pdfIn PDF document text
- http://files.agingwell360.com/uploads/1/3/2/7/132710671/9171565.pdfIn PDF document text
- http://files.wmalumniweekend.com/uploads/1/3/2/3/132303075/fosibilukuposi.pdfIn PDF document text
- http://files.rhythmjackson.com/uploads/1/3/2/6/132696263/94969.pdfIn PDF document text
- http://files.ninjamagik.com/uploads/1/3/0/8/130874629/jatupisejumelovavog.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://namilarom.files.wordpress.com/2020/06/93698585725.pdfIn PDF document text
- https://dezulav.files.wordpress.com/2020/06/wojapotipubifo.pdfIn PDF document text
- https://jofesosab.files.wordpress.com/2020/07/zorufad.pdfIn PDF document text
- https://lirizokese.files.wordpress.com/2020/07/doxozamiwivuwazewatas.pdfIn PDF document text
- https://bobunob.files.wordpress.com/2020/06/38005240974.pdfIn PDF document text
- https://xokiwija.files.wordpress.com/2020/07/41250925627.pdfIn PDF document text
- https://zagufebaja.files.wordpress.com/2020/06/42851531994.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57032902602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zemeletitofugawekabol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fejatomamegebuwugibuvu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/paxotaxazojulilinitulo.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_off0000927f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x927F | 4848 bytes |
SHA-256: 5ec7a4fe164757f4f3a65caefbf2783012a6fff338026d7ef28f831a948033b0 |
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font_01_sfnt_off0000a311.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA311 | 11772 bytes |
SHA-256: 140fe8568942470ad90c099405b3a601dcbfb5746a58e32c27afa89b0a3e42c0 |
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