MALICIOUS
246
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. It uses brand-impersonation credential phishing. 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 0.9998
Heuristics 7
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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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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://wabibazo.weebly.com/uploads/1/3/5/2/135295983/68442c3b8fa8ca8.pdf.
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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://pelibifir.ru/award?keyword=engineering+materials+michael+ashby+pdf PDF link annotation
- http://lerob.info/how_to_improve_data_skillssc3ty.pdfIn PDF document text
- http://domainlimax.xyz/purapajurukunenikekanopiu00k3.pdfIn PDF document text
- https://wabibazo.weebly.com/uploads/1/3/5/2/135295983/68442c3b8fa8ca8.pdfIn PDF document text
- https://cdn.sqhk.co/jidelugob/jhjjjcz/jamaba.pdfIn PDF document text
- https://cdn.sqhk.co/fujonexa/8H9gcbI/90347811117.pdfIn PDF document text
- http://100p-f.ru/ac_dc_discography_torrenthmfju.pdfIn PDF document text
- https://webutukokixomuw.weebly.com/uploads/1/3/5/3/135317122/givejekesuf_kisilofitud.pdfIn PDF document text
- https://cdn.sqhk.co/fedijadika/GgiCC2d/70871820364.pdfIn PDF document text
- https://xidokuwu.weebly.com/uploads/1/3/1/4/131453793/4a1ff31.pdfIn PDF document text
- https://sowematawenuw.weebly.com/uploads/1/3/1/1/131164153/jelajabugom.pdfIn PDF document text
- http://topsale.pro/bemalnx6pk.pdfIn PDF document text
- http://matcobzor.ru/rovasodpxha8.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/waxapoz/rimeduxemajo.pdfIn PDF document text
- https://60ceb029-6f78-4d42-8ea4-15ca08d8077a.filesusr.com/ugd/857e61_6abb76ce365143d6aca4229c0032a9fc.pdf?index=trueIn PDF document text
- https://e3e1c2aa-7f41-47b0-8c2f-d823cb48b857.filesusr.com/ugd/7598fa_5ed8f3d49a8f4d3d8a04dfeab99ede63.pdf?index=trueIn PDF document text
- https://7a512b58-7189-4bc4-8343-f643fa9054c9.filesusr.com/ugd/1e52da_1aeda0b001bb4d538235023a3c6e9f18.pdf?index=trueIn PDF document text
- https://979cd01f-16ea-4d2c-b189-234964c95597.filesusr.com/ugd/d4c4cf_90f3e0639ec74b89935584980f96d287.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bitizopovopaso/88524868790.pdfIn PDF document text
- https://s3.amazonaws.com/webipejonavuv/best_free_aviation_weather_apps_for_android.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000db8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB8D | 5448 bytes |
SHA-256: 815cdc423cc44de6b823b3a796933758c8001d72e4bf594e378242eddf4cb6bf |
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font_01_sfnt_off0000eddc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDDC | 10788 bytes |
SHA-256: cd26848773b7bbd86a5d03883a442cf2cd5f0fefa4f03ee4ed03e1822cd03071 |
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font_02_sfnt_off000112bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112BF | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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