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 0.9994
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://zajinet.ru/strik?utm_term=lenovo+g50-80+core+i3+4th+generation PDF link annotation
- https://pekatizofu.weebly.com/uploads/1/3/0/7/130739174/fozupi_besuterawa_daxurotuxal_vudase.pdfIn PDF document text
- https://gojatoxemoniro.weebly.com/uploads/1/3/4/8/134894745/mewusojudujibiva.pdfIn PDF document text
- https://mubewawabover.weebly.com/uploads/1/3/4/4/134465459/543eac.pdfIn PDF document text
- http://bafiselavanebep.mywebcommunity.org/gapevotijawoxosonenapamaw.pdfIn PDF document text
- http://lizowaw.scienceontheweb.net/tucker_high_school_engineering.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- http://kulebosux.myartsonline.com/penufofatiwasixirigo.pdfIn PDF document text
- https://18b62485-dce0-4e35-9712-b1d1f13fcb23.filesusr.com/ugd/296484_31f4d99b31b54fb9af99efc994c5708e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jiwotarotavuz/abilene_tx_weather_report.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c257facd-c802-4fa1-9b1b-5229583732e0/what_the_coldest_it_gets_in_naples_florida_zip_code.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bbc2936d-23f9-4cb8-8777-6d3e64751b48/best_self_help_books_for_teenage_girl_uk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d4467fd4-2e6c-4ede-a6c7-0e8ad1731bf8/best_tattoo_books_2018.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7263639e-9f20-4562-805a-36c4122d62fb/84854649601.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c485c72d-a054-49f9-aeca-15ebc6d86837/ralph_waldo_emerson_historical_significance.pdfIn PDF document text
- https://s3.amazonaws.com/mikibetiv/1105166554.pdfIn PDF document text
- http://tepominofujemo.atwebpages.com/dc_ammeter_and_voltmeter.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5a794f11-8926-4e6f-b445-6f61664282f7/64893422486.pdfIn PDF document text
- https://ff9dba89-6132-4485-99c2-ace8a2453124.filesusr.com/ugd/c3f59f_dee228d264b8426fab22a7d929a34281.pdf?index=trueIn PDF document text
- https://ca39a19f-16f9-469f-ab0b-65ec0463b8d0.filesusr.com/ugd/cc9b97_c67110d177774761bba1872b978d7fa4.pdf?index=trueIn PDF document text
- https://30c0d994-bee2-4d79-bc91-d4aaa7251653.filesusr.com/ugd/0962d9_603f8eb59f834e109158f32b7e319f5d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/lorugipopuxe/unicorn_birthday_invitation_card_template_free.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fe2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE2C | 5596 bytes |
SHA-256: b8bc8ef9af0e5785c97e2f5ef0f54bc25cd6e0f0e4459557a0b0c837135e0c6b |
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font_01_sfnt_off00011151.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11151 | 34640 bytes |
SHA-256: 6a13900e4509acefb80bad1aff16bec6b6178bfbaece894b69f57f31e212cf8d |
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font_02_sfnt_off000153f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x153F3 | 10984 bytes |
SHA-256: 382d7527f878bad40eda5eb4a63922ba471fdda99ab8fb2c24dc897a92cc4999 |
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font_03_sfnt_off000179b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x179B1 | 16224 bytes |
SHA-256: 3cd56f4e2de4d1ef43c4b9ea5748e7743ec9b217b91c48869293d1f4dbeb70cd |
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