MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://ponafet.ru/strik?utm_term=modern+portfolio+theory+and+investment+analysis+solution+manual+pdf+chapter+7 PDF link annotation
- https://polabobaxadujo.weebly.com/uploads/1/3/4/7/134775235/nofepu.pdfIn PDF document text
- http://carinsrates.com/equivalent_ratios_practice_worksheet4gd4v.pdfIn PDF document text
- http://laitlabs.pro/how_to_find_limits_to_infinity_calculatorqww11.pdfIn PDF document text
- http://rapugazif.22web.org/bojunikozininipotorimaki.pdfIn PDF document text
- https://toxujubew.weebly.com/uploads/1/3/1/4/131437446/b17f0e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://4121a797-204a-431c-92a8-8e24072fb342.filesusr.com/ugd/b972d5_d0e5e75f8b61446db94c1d5151a07894.pdf?index=trueIn PDF document text
- http://xelilurezo.epizy.com/10809781331.pdfIn PDF document text
- http://werokixa.rf.gd/rabivelakufo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aa1c2e2e-d6db-426c-8c3a-8bd0df0c52d2/28319449685.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/85bcdd3d-8ffd-4e48-b1ac-af1d0d59f828/how_to_reset_timer_on_kenmore_washer.pdfIn PDF document text
- https://72dfff08-f6cb-4f5d-aaac-ebe71175d6a6.filesusr.com/ugd/c268f7_3b22658ff469413881a9d30e23dcbead.pdf?index=trueIn PDF document text
- https://c216880a-03a2-4774-ab7e-121c93799e8f.filesusr.com/ugd/b5aed9_3e8814c3f6f4425c81ce25148b0743f5.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7ff9384d-2ec5-47db-9424-a6e2d8054dac/tavowoper.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/45c2b927-71bb-4c2c-9a10-f170cf79499d/jerose.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/977920f9-b818-4792-b0bb-8b971a968800/2048428265.pdfIn PDF document text
- https://0f939073-77d1-4307-aaa8-42539c8515e3.filesusr.com/ugd/85c9df_09bf2c842dc14d28b75fac130872bf23.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f54ba5c8-20f9-45d4-a83e-233fe95a7fcc/easy_crochet_baby_sneakers_for_beginners.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7d6edadb-9072-4f9d-b28c-7571f596a3fb/63320568330.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a6e64bc7-5867-4b35-bdbb-3959a9f5982b/how_to_setup_steelseries_arctis_5_on_xbox_one.pdfIn PDF document text
- http://webeputexewek.rf.gd/caracol_africano_en_cuba.pdfIn PDF document text
- https://52468903-0e2d-47c5-babb-61e1d305d291.filesusr.com/ugd/32777b_5c0d7abf9af440a988b3f557f312572b.pdf?index=trueIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f4f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4F0 | 2892 bytes |
SHA-256: 7eeeb3587cc63a4a9c4296c9fa780e2b42b0a404cd0973d7d631fb64a5a99481 |
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font_01_sfnt_off0000ff3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF3B | 5640 bytes |
SHA-256: 4de569799de927a7edd37efa69cfd8ad7ad6b1ecc62dddd737228f96b519d6f7 |
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font_02_sfnt_off00011260.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11260 | 11676 bytes |
SHA-256: e13046cd1f725dfedd46ac9164d64b90e088b4d6c8c4915479e23e116b36c75a |
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