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 0.9997
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://golowaki.ru/123?utm_term=linear+programming+problems+worksheet+pdf PDF link annotation
- https://cdn.sqhk.co/winanuwumovu/Lgckhay/langrisser_mobile_chinese_wiki.pdfIn PDF document text
- http://filitopalanima.22web.org/detailed_balance_sheet_items.pdfIn PDF document text
- https://cdn.sqhk.co/xumesapaxoku/ggrmheq/39135141610.pdfIn PDF document text
- https://tewawabuse.weebly.com/uploads/1/3/1/4/131437503/tisakijetaduvakipeve.pdfIn PDF document text
- http://womumonafip.22web.org/123_magic_dvd_length.pdfIn PDF document text
- https://cdn.sqhk.co/bedogipaxog/mxhbmAK/marktplaats_auto_curacao.pdfIn PDF document text
- https://raxorevowipafe.weebly.com/uploads/1/3/4/7/134765671/f4e27505fb1.pdfIn PDF document text
- https://xizuxikeg.weebly.com/uploads/1/3/0/7/130740292/fc02e40dc65.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/353a8db4-c576-4a58-86e6-118324107633/how_to_program_suddenlink_altice_remote_to_tv.pdfIn PDF document text
- https://6fd4412c-3e6e-4f21-a9af-8137ffc6c0d9.filesusr.com/ugd/03469c_089f34e413454bfcaba4989e0e916d1a.pdf?index=trueIn PDF document text
- https://72cdfa97-b5fe-44cc-9aa9-3142b5aa642a.filesusr.com/ugd/ee32c9_08dd1cdcee7f4b0d9988fc312cb97138.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3bf6cece-5659-4dcf-a8d8-49320fa2b7b6/adding_and_subtracting_fractions_with_like_denominators_word_problems.pdfIn PDF document text
- https://6d4a8fb0-9a8a-4850-8aa1-2b5706121c9a.filesusr.com/ugd/ff2e72_dfdb837ede054cc9a199233dcff23177.pdf?index=trueIn PDF document text
- https://af18ad75-7652-4b25-b9e0-8da5fded0af1.filesusr.com/ugd/529385_a94e601336c64ebc9a847d1c60601189.pdf?index=trueIn PDF document text
- https://0f285ee0-1b14-49a2-8a3e-060a2db94812.filesusr.com/ugd/4bf67f_4a67c5a63b1a4e7fa49b07ef428a0ea2.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/96316b8f-9bb5-4e6c-86dd-5bd275341c9f/32443299376.pdfIn PDF document text
- https://cbb9655c-b60d-4095-8c1c-bb5f9a2903c5.filesusr.com/ugd/4dd980_419102681e1443e4b19ce773eec6899c.pdf?index=trueIn PDF document text
- https://feedbc21-cb93-402c-9ae2-3476589645d2.filesusr.com/ugd/f3ecbe_59be639643714cf99dec0ddb3edc9183.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/205664c1-d5c6-4b00-ac0c-3f003761d15d/build_your_own_kitchen_breakfast_nook.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3c8d2ed9-8dcb-44dc-b83e-7dc7c651d6d5/how_many_calories_should_i_be_eating_to_lose_weight_fast.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_off0000de6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE6B | 5692 bytes |
SHA-256: dc08ca76c24003fb07310e28ad3074f8aadf8ca5c1db687a15b7ab12dc868c0f |
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font_01_sfnt_off0000f1b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1B1 | 11304 bytes |
SHA-256: 39053a29d938498964c65347a2b265c50a83f4372378e42ee8ede31130dac615 |
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