MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded links, many of which point to redirector infrastructure and potentially malicious content. The document body text, though partially corrupted, includes keywords related to a 'psychometrics personality test' and the URLs themselves are structured to appear as if they lead to test results or related documents. This suggests a social engineering attack aimed at tricking users into visiting malicious sites.
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=psychometrics%20personality%20test%20pdf In PDF document text
- http://files.ritzemaportfolio.com/uploads/1/3/1/6/131607374/3628317.pdfIn PDF document text
- http://files.grcrowfamily.com/uploads/1/3/1/0/131070190/3426f7e.pdfIn PDF document text
- http://files.1procurementplace.com/uploads/1/3/0/7/130776123/aa4b82bacf2a.pdfIn PDF document text
- http://files.kidsnchordsmusic.com/uploads/1/3/1/4/131437981/naworunapatudomefibu.pdfIn PDF document text
- http://files.eddiecaipo.com/uploads/1/3/1/4/131454436/5393994.pdfIn PDF document text
- http://files.meldongardens.com/uploads/1/3/0/7/130776640/jaxupugemiki.pdfIn PDF document text
- http://files.mnrpcv.org/uploads/1/3/2/3/132303374/664c9be.pdfIn PDF document text
- http://files.ncam.ac.nz/uploads/1/3/0/7/130776788/a94fe6a1c2f25a.pdfIn PDF document text
- http://files.harvestwineoutfitters.com/uploads/1/3/0/7/130775858/32fb651.pdfIn PDF document text
- http://files.stjosephiota.org/uploads/1/3/1/0/131070204/7c92a49ecb4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://kimuwoduw.files.wordpress.com/2020/06/51463473139.pdfIn PDF document text
- https://kebusura.files.wordpress.com/2020/06/87181025932.pdfIn PDF document text
- https://kekedox.files.wordpress.com/2020/07/jepovabixodopetali.pdfIn PDF document text
- https://fefigubanu.files.wordpress.com/2020/07/31301106021.pdfIn PDF document text
- https://vemupuki.files.wordpress.com/2020/06/63372961130.pdfIn PDF document text
- https://jilanuduk.files.wordpress.com/2020/07/tinefagetapavutepobojagi.pdfIn PDF document text
- https://wuxegura685470280.files.wordpress.com/2020/06/7763296065.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/17232613021.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nenixuraxolitater.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/resozelofik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99913566500.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gijamibumiji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/12584167006.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_off00006d98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D98 | 5284 bytes |
SHA-256: b114ef71e26ca2a74f97f99d1690ed3588ef236aaa9937f61f06317b830a020a |
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font_01_sfnt_off00007f5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F5D | 11632 bytes |
SHA-256: e82c19d768fbd76d59665f7855660562d5244eb4584dee0af625fe60bfd3dabd |
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