MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to external PDF files. One critical heuristic indicates these links are part of a link farm, likely for SEO manipulation. Another critical heuristic flags a link to a known malicious redirector. No scripts were extracted, but the sheer volume of outbound links suggests a malicious intent to either distribute further malicious content or engage in SEO spam.
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://gettraff.ru/strik?keyword=the+art+of+torah+cantillation+pdf In PDF document text
- http://files.coupar-angus.co.uk/uploads/1/3/1/4/131412955/kexilulejog_bumufabutid.pdfIn PDF document text
- http://menor.heatherferrari.net/uploads/1/3/0/8/130874067/bikibixu.pdfIn PDF document text
- http://files.intuitivepetcare.com/uploads/1/3/1/4/131437157/pesutubofaluro.pdfIn PDF document text
- http://memuvuv.afterdivorce.net/uploads/1/3/2/6/132695300/sadudazoped-moraxupezubefig.pdfIn PDF document text
- http://loxaror.daniellerosephotography.com/uploads/1/3/0/8/130873825/gupomaxat_bumemurorijug.pdfIn PDF document text
- http://files.wildermansbooks.com/uploads/1/3/0/8/130814235/vibaku.pdfIn PDF document text
- http://nilivuxu.manouchetones.com/uploads/1/3/1/4/131452893/nalojuvi-wejalemalogujoz-wiposapurozudel-garurir.pdfIn PDF document text
- http://files.oceanlink-inc.com/uploads/1/3/0/7/130776177/nomomexunegetewe.pdfIn PDF document text
- http://files.sustainablewellesley.com/uploads/1/3/2/8/132815924/7079773.pdfIn PDF document text
- http://files.tiffanygilly.com/uploads/1/3/2/6/132682338/fubebosix_jitixebovaboxe.pdfIn PDF document text
- http://dixisulif.terriermath.com/uploads/1/3/1/0/131070722/729583.pdfIn PDF document text
- http://files.alaasimahschool.net/uploads/1/3/0/8/130814076/lezuxapumowolo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/5c700e1c-aeb5-414b-81e6-5d46ae6a02d5/ranulases.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/32247d99-b1c4-487c-ae0f-a935442a05ec/32475416707.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/caf0f606-9b43-4c00-b129-1eb1b66ecdec/81940609150.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/71718f38-5570-4282-b9f5-5971abfeb4b1/birifuwibevidewemanaz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/127a4396-1dd3-4dbc-bf20-7ec856263b25/lexupeteni.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_off000111f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111F7 | 5016 bytes |
SHA-256: 6c106003797f0776049af7263d96637cd55cfc1582dc70b436a16a999b80b59d |
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font_01_sfnt_off00012301.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12301 | 22224 bytes |
SHA-256: cccdc8fabf5e624fa8185349087c8aed3d5fbed9cd42010dce2aa7ed150a9467 |
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