MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing lure. The presence of a specific URL, 'https://seumenha.ru/123?utm_term=bcbs+of+maine+appeal+form', and the document's metadata indicating it's a 'Bcbs of maine appeal form' strongly suggest a phishing attempt to trick users into visiting malicious sites. The ML classifier and ClamAV detection further support its malicious nature.
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://seumenha.ru/123?utm_term=bcbs+of+maine+appeal+form PDF link annotation
- https://fotawadibegul.weebly.com/uploads/1/3/1/1/131163643/9326345.pdfIn PDF document text
- https://cdn.sqhk.co/zowonefaso/d7hfOlw/29220985888.pdfIn PDF document text
- https://cdn.sqhk.co/mivezifov/jGvbhjr/16176387927.pdfIn PDF document text
- http://draiwenstore.online/accu_chek_compact_plus_care_kitizf3u.pdfIn PDF document text
- https://cdn.sqhk.co/kawiwitifa/0jdzLJe/amazon_individual_seller_account_cost.pdfIn PDF document text
- http://ipoteka.net/81774440199gf57r.pdfIn PDF document text
- https://cdn.sqhk.co/baxajufim/jfDLijj/79269862886.pdfIn PDF document text
- http://confirmyourverifiedbadge.com/federal_holidays_2021_printablenl2i1.pdfIn PDF document text
- https://palotuzumi.weebly.com/uploads/1/3/5/9/135991270/ritewovove-wegoxa.pdfIn PDF document text
- https://xitolomeka.weebly.com/uploads/1/3/4/0/134012462/daxivezimutape.pdfIn PDF document text
- http://mignonette.space/dnd_critical_fumble_chartx20a3.pdfIn PDF document text
- https://cdn.sqhk.co/pemanunid/je86Igi/kamen_rider_city_wars_hack.pdfIn PDF document text
- https://bimifubonag.weebly.com/uploads/1/3/4/8/134881536/e5f5486b3c6.pdfIn PDF document text
- http://smartcreditcheck.info/what_are_the_symbols_in_heart_of_darknessaloak.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://2ddf8be6-044d-4f30-b6fd-16c032829cd6.filesusr.com/ugd/9827ea_1a2cf2178d004985996044d4440da9c9.pdf?index=trueIn PDF document text
- https://3d7304b5-8527-495f-b913-615d6f357a43.filesusr.com/ugd/ef7486_e4eaa892236143939c888e8d58ca92e9.pdf?index=trueIn PDF document text
- https://d6921c5e-ad40-47a8-8d28-605c6bd4eeef.filesusr.com/ugd/3306a4_6f0fa67bf074484ba36fb585a6cfaaea.pdf?index=trueIn PDF document text
- https://82c1a4a6-0aea-44ab-842b-07cb5bdde860.filesusr.com/ugd/aafee9_adf50c2f1ddf42acac501748617c1090.pdf?index=trueIn PDF document text
- https://a35b4eae-300a-44a5-b982-8d633984e519.filesusr.com/ugd/19735e_0ca271918fd8459bb7e31457ca990d3f.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e47c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE47C | 5348 bytes |
SHA-256: 515f849275b037f69fb339dbe5af9ab8e85a8b8e3680ce3a22c1acec9920a8ab |
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font_01_sfnt_off0000f68e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF68E | 10144 bytes |
SHA-256: a6fc7a484b6c3b43b9e1e72d1ba45d00ec6dc68d9b20eced69587b981227786d |
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