MALICIOUS
156
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 0.9998
Heuristics 5
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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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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://trafficel.ru/123?utm_term=the+american+republic+since+1877+chapter+15+answers PDF link annotation
- https://kufazijofiw.weebly.com/uploads/1/3/0/7/130776126/6031201.pdfIn PDF document text
- https://suganolorifumu.weebly.com/uploads/1/3/0/8/130814011/8252780.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389080/normal_5f94fa57a63b7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376382/normal_5f8fc3c8b338a.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/vikukinumet/41069090728.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1b2bebbe-7aca-49b0-8303-93f9667e87df/692872402.pdfIn PDF document text
- https://s3.amazonaws.com/bitizopovopaso/visawitimisowuw.pdfIn PDF document text
- https://s3.amazonaws.com/zevutebulaworel/bucks_county_technical_high_school_graduation_2019.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e2f1e146-6b7d-4b18-b4f1-92f2ebca3416/common_transitive_and_intransitive_verbs_list.pdfIn PDF document text
- https://s3.amazonaws.com/dezajok/great_gatsby_eyes_of_dr_tj_eckleburg_quotes.pdfIn PDF document text
- https://s3.amazonaws.com/jepinebawo/chemistry_grade_12_textbook_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e0dd1152-8c58-473b-90e6-a60008cd4923/rukumusosavibivumidof.pdfIn PDF document text
- https://s3.amazonaws.com/geradi/operations_research_applications_and_algorithms.pdfIn PDF document text
- https://s3.amazonaws.com/fosalizuzu/the_westing_game_novel.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_off0000b5bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5BB | 5576 bytes |
SHA-256: 49deeca26cdc3769c4ff0e69414021aaac61e64bdd540589ceb34b1dbcdd5005 |
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font_01_sfnt_off0000c89c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC89C | 10244 bytes |
SHA-256: 3229dcb6da23d75dc9c1dd2b8e03d853d0ea3fe00bf3e948c94571a3f6dfa1a7 |
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font_02_sfnt_off0000eb3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB3D | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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