MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One critical heuristic identified a link to a known malicious redirector, and another flagged the document as a link farm. The ML classifier also strongly indicated maliciousness. The embedded links likely serve to distribute malware or conduct phishing by directing users to malicious websites.
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=foxit%20advanced%20pdf%20editor%20delete%20page In PDF document text
- http://files.talithawashington.com/uploads/1/3/0/7/130739558/guxelur_zujonet_dipuguseduv.pdfIn PDF document text
- http://files.artworksinmind.net/uploads/1/3/1/4/131453198/molinofuga.pdfIn PDF document text
- http://files.historicdogtags.com/uploads/1/3/1/4/131453056/lebaboguwikezerokin.pdfIn PDF document text
- http://files.makeupbybb.com/uploads/1/3/1/3/131381712/zinomezumajiwet_xamaminiwoxesus_radan_gekero.pdfIn PDF document text
- http://files.kayscience.com/uploads/1/3/1/1/131164039/dujulazalagozozexal.pdfIn PDF document text
- http://files.animachristiretreats.org/uploads/1/3/0/7/130738933/nosepovefi.pdfIn PDF document text
- http://files.wolfiesofwarwick.com/uploads/1/3/2/6/132681343/086ec.pdfIn PDF document text
- http://files.bellafurworks.com/uploads/1/3/1/8/131856381/duguvat.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://dodizuzila.files.wordpress.com/2020/07/11466221089.pdfIn PDF document text
- https://dunawudawoma.files.wordpress.com/2020/06/xipokuxetalumivegaxuredo.pdfIn PDF document text
- https://soferos.files.wordpress.com/2020/06/mubujuwukitejevukunefiga.pdfIn PDF document text
- https://fijiwam496225947.files.wordpress.com/2020/06/rutonusafadamipirigilulum.pdfIn PDF document text
- https://jetagub.files.wordpress.com/2020/06/xivewulisisum.pdfIn PDF document text
- https://jixuvozigip.files.wordpress.com/2020/06/nutedekum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32150460784.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kupenase.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57355052908.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/baludugosutagaxoreforodul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xuwuvedalolavotidexetugom.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_off00005fe1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FE1 | 5016 bytes |
SHA-256: 8dfc51e2735fe9a332832d9277644a5435821577d4eaa40ffe3633e11bfd3f5f |
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font_01_sfnt_off00007109.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7109 | 11300 bytes |
SHA-256: f7377ed43b9da1c7195816fbd389bf0778a5befd37d00415d5878965a4e4fcc3 |
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