MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is classified as malicious by ML and ClamAV, and contains a large number of external links, many hosted on disposable domains. The document body suggests a lure related to 'Hackerrank java answers' to direct users to a link farm, likely for SEO manipulation or to host further malicious content. No scripts were extracted, but the PDF structure itself is used to host numerous URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://leonvi.ru/123?utm_term=hackerrank+java+answers PDF link annotation
- https://bilewobadazape.weebly.com/uploads/1/3/2/6/132695578/soris.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422382/normal_602e6e467387a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389570/normal_6027ccac38e2f.pdfIn PDF document text
- https://dodapoxole.weebly.com/uploads/1/3/1/3/131398067/wozigozaralivej.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410433/normal_60061d3ad298c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486748/normal_5fc9fa09d1c78.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474448/normal_60351422a165b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485446/normal_5fdebdda5cd09.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424951/normal_605fa09e9a24d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4472793/normal_605d6640dbdcc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382414/normal_602ca5225c6e3.pdfIn PDF document text
- https://doluxofaxomivu.weebly.com/uploads/1/3/4/7/134715621/e8888d2d4de0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zezimin.pbworks.com/w/file/fetch/144412785/what_is_les_pronoms_personnels.pdfIn PDF document text
- http://bopelijexuf.pbworks.com/f/how_to_uninstall_synaptics_driver_windows_10.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f3ed25e8-f942-44bd-ba83-45e75518bcf7/the_neverending_story_3_jack_black.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/196c9eb7-677d-4189-9283-abaa976142e0/beats_powerbeats2_wireless_in-ear_headphones_wont_turn_on.pdfIn PDF document text
- http://redelaw.pbworks.com/f/polaroid_is048_camera_user_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/03930bd5-002a-4803-8377-25ff6a6f8357/wetapukebaxekimapawen.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/94fdc4a5-5d08-460f-a3d8-b856b5a50d76/4179559403.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1858942c-ff31-44d9-a8dc-d79de62191fe/what_printers_are_good_for_sublimation.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/754cd70c-7e51-4a5c-8eea-e356fd39e586/48557180342.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b285cd0e-5333-454e-ac1d-f9b32e4ff038/ejemplo_de_un_presupuesto_de_capital_de_una_empresa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/919e1547-fe3e-4a14-a9ca-8c7b4ae89bc8/what_is_first_order_and_second_order_reaction.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_off0000cb20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB20 | 5016 bytes |
SHA-256: 539c9eae48d8feb4d1feb5d95b75812f19a5a276c88a7f6cd0b69319aa4867d5 |
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font_01_sfnt_off0000dc55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC55 | 10476 bytes |
SHA-256: 68ef4e825a42f2ed4184dc4ccd0f069e6a0e6f1db6aa8ff3b1cbc47983cf2347 |
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