MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan payload. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, contains text related to downloading marksheets, which is likely a lure to encourage clicks on the embedded URLs.
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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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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External URI info PDF_URIPDF contains an external URL action
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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://allytemp.ru/pbw?utm_term=ssc+marksheet+online+download PDF link annotation
- https://static.s123-cdn-static.com/uploads/4459636/normal_5ff15e7273357.pdfIn PDF document text
- https://suzoniku.weebly.com/uploads/1/3/4/4/134456843/lowasawepu.pdfIn PDF document text
- https://benevegavevu.weebly.com/uploads/1/3/4/5/134501748/vofare-rigepe-litadunibera-tojujipodopov.pdfIn PDF document text
- https://zulezinema.weebly.com/uploads/1/3/0/7/130776370/2355417.pdfIn PDF document text
- https://wejakoguxi.weebly.com/uploads/1/3/4/3/134324676/0616db3ed4.pdfIn PDF document text
- https://kigijizinelojuk.weebly.com/uploads/1/3/4/8/134848952/5745408.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385635/normal_603853624b1a3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485165/normal_60382f53d1362.pdfIn PDF document text
- https://xuzatikanuji.weebly.com/uploads/1/3/0/7/130775198/119003.pdfIn PDF document text
- https://sixusiwof.weebly.com/uploads/1/3/1/4/131454093/3170369.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455396/normal_605378ce5e393.pdfIn PDF document text
- https://tulelamesesixe.weebly.com/uploads/1/3/5/3/135321102/4144947.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446045/normal_600062c024dbe.pdfIn PDF document text
- https://suzibosefibowu.weebly.com/uploads/1/3/4/8/134883218/belolejufepamap_zitunejiburek_fagesodamipasi_gikexig.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388060/normal_5feda94c0c58c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://gibuwodebu.pbworks.com/w/file/fetch/144605025/social_media_marketing_bangla_books.pdfIn PDF document text
- http://vikiruji.pbworks.com/f/extreme_car_driving_simulator_mod_apk_all_cars_unlocked_new_version.pdfIn PDF document text
- http://jifosez.pbworks.com/w/file/fetch/144715434/welotefuzimutizu.pdfIn PDF document text
- http://tusoxefum.pbworks.com/w/file/fetch/144900792/autodesk_revit_2021_product_key.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_off0000d953.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD953 | 5440 bytes |
SHA-256: bf73abea70af707cdc54edd0b02c7338ce6078107e0f3555765b1e1c82ccb6fb |
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font_01_sfnt_off0000ebae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBAE | 11856 bytes |
SHA-256: c249b96482adedfb520559e899b9a01c27c88cdb9028880fc17158a2776af8a8 |
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