MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, masquerading as search results for a dictionary PDF, which are designed to redirect users to malicious infrastructure. The primary redirector URL is https://ttraff.cc/pify?keyword=longman+dictionary+of+common+errors+new+edition+pdf. The document body itself is heavily obfuscated and contains metadata indicating it was generated by wkhtmltopdf.
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.cc/pify?keyword=longman+dictionary+of+common+errors+new+edition+pdf In PDF document text
- http://files.wildharvestfestival.org/uploads/1/3/1/0/131070488/02ab6986cb17021.pdfIn PDF document text
- http://files.lynnkirkham.net/uploads/1/3/0/8/130874318/6548217.pdfIn PDF document text
- http://files.dearborn411.com/uploads/1/3/2/7/132740860/xokagilo.pdfIn PDF document text
- http://files.neverwares.ca/uploads/1/3/2/3/132303138/zepepigale-bipejimip-kudarunuputa.pdfIn PDF document text
- http://files.makersguildinwales.org.uk/uploads/1/3/0/7/130775131/2319663.pdfIn PDF document text
- http://files.m-tacres.com/uploads/1/3/1/3/131379325/latatef.pdfIn PDF document text
- http://files.johnfolley.com/uploads/1/3/1/4/131452991/sunosivul-dotoxep-ketusajaxewel-sopigogoz.pdfIn PDF document text
- http://files.bryantphilanthropic.org/uploads/1/3/1/1/131163955/73fe9.pdfIn PDF document text
- http://files.gatewoodgraphics.com/uploads/1/3/0/8/130874647/rejutimuvapasise.pdfIn PDF document text
- http://files.changingfutures.org.uk/uploads/1/3/1/6/131606087/mufegesitawiko-matuwomap-xivekun-vokozufeletefuz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://bivuzedowi.files.wordpress.com/2020/07/wupif.pdfIn PDF document text
- https://jidibabeja.files.wordpress.com/2020/07/nusupejagofenazex.pdfIn PDF document text
- https://vimolor.files.wordpress.com/2020/06/15549551465.pdfIn PDF document text
- https://negoxojes.files.wordpress.com/2020/07/jozetoj.pdfIn PDF document text
- https://xotagesison.files.wordpress.com/2020/06/66348005704.pdfIn PDF document text
- https://jelonidamu.files.wordpress.com/2020/06/17889541827.pdfIn PDF document text
- https://zuketuvilo.files.wordpress.com/2020/06/dikagezediwopeditisovo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/6565103434.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5470/3526/files/niveseriwonujogineje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mefopevepal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8221/1735/files/sabozuj.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_off00005a21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A21 | 5364 bytes |
SHA-256: c92bdf80e24393d9d82190184675e1975e95cfb3aa7b0c01414c02ec23da8121 |
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font_01_sfnt_off00006c61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C61 | 19972 bytes |
SHA-256: 2d9913f0c0b5613067d84e92781cb4a54d363c726ef1e162bcfc361eeca8708e |
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