MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple critical heuristics as malicious, including a redirector link and a large link farm. The ML classifier also strongly indicated maliciousness. The embedded URLs suggest a phishing or SEO manipulation scheme, likely intended to lead users to malicious content or scams. No scripts were extracted, but the presence of numerous external links points to a potential initial access vector via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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/aws?utm_term=university+of+birmingham+campus+map+pdf In PDF document text
- https://dawanuma.weebly.com/uploads/1/3/4/3/134305997/bivukuzogovisu_gakilefevom_pobijixo.pdfIn PDF document text
- https://cdn.sqhk.co/barugogip/bUijbib/car_crash_in_massachusetts_yesterday.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427498/normal_5fe902c3037e0.pdfIn PDF document text
- https://gifitutopa.weebly.com/uploads/1/3/4/4/134470147/pedetizo-zupebobozutatum-tavevutatigili-xivakavezibe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389576/normal_5f9c829f7f734.pdfIn PDF document text
- https://zuwanefo.weebly.com/uploads/1/3/4/0/134040462/1171845.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4403266/normal_5fca3debd0a56.pdfIn PDF document text
- https://sidatenut.weebly.com/uploads/1/3/5/3/135349940/vevugipalibiripufo.pdfIn PDF document text
- https://cdn.sqhk.co/nevowokazem/aicnIhi/rabovesaxewizepu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452594/normal_5fe650bc2b4a6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471719/normal_5fbd37ba45f77.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4462982/normal_5fc6fb044dbf9.pdfIn PDF document text
- https://sopulekazixov.weebly.com/uploads/1/3/0/7/130776801/zikes-totiv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370056/normal_5f8aafc024c04.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368958/normal_5f9633cfa3eae.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/741d1929-8d52-481a-bd5f-6ca6c62f4448/39167506325.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_off0000e3fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3FA | 5828 bytes |
SHA-256: 35e590baa758521d6f3c7a22467820707927a1ab71e6d1682968bd804293e600 |
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font_01_sfnt_off0000f7b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7B2 | 11036 bytes |
SHA-256: c7c5c8c381002672c14e9996f6f1a8414f351d54696dab03c087c1f32cd6fa5c |
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