MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by a machine learning classifier and ClamAV. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to distribute malware or phish users. The document body, though obfuscated, contains a lure related to printer installation, directing users to a URL that includes 'how to install brother printer hl-1110'. This indicates a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 7
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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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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 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=how+to+install+brother+printer+hl-1110
- https://sofamilases.weebly.com/uploads/1/3/5/4/135401016/miduvogigirevemix.pdf
- http://xenogejewaruvi.22web.org/mogafibelovubevujaxe.pdf
- https://fimudelowuj.weebly.com/uploads/1/3/1/4/131455024/vetit-gukew.pdf
- http://jotijitod.66ghz.com/forrest_gump_theme_sheet_music.pdf
- https://vesogotupu.weebly.com/uploads/1/3/4/7/134702950/metelivo.pdf
- https://cdn.sqhk.co/lolajelor/gg8ifge/ar_effect_definition.pdf
- https://duvutotan.weebly.com/uploads/1/3/0/7/130775700/pizemibanafemuju.pdf
- https://lugonejiborin.weebly.com/uploads/1/3/5/3/135336075/67dbdd0ec2b.pdf
- https://gonibulurigudum.weebly.com/uploads/1/3/0/8/130874364/valesemazosafej.pdf
- https://cdn.sqhk.co/zafilivopupu/dRihhhh/78958073633.pdf
- https://fisegumatiwal.weebly.com/uploads/1/3/4/7/134722042/8551610.pdf
- https://cdn.sqhk.co/gekakisoduvo/Nlific6/jarekikipe.pdf
- https://xakediripikevul.weebly.com/uploads/1/3/4/3/134338645/3269fc.pdf
- https://nuwosalu.weebly.com/uploads/1/3/4/4/134497214/wuxafawanev_dabuzeremazepa_ritape.pdf
- https://kefagifugujog.weebly.com/uploads/1/3/0/8/130813645/5480210.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- http://nalejunubotuw.rf.gd/costing_and_quantitative_techniques.pdf
- https://uploads.strikinglycdn.com/files/f3777c54-6918-43da-9f3c-7c1c87a45377/love_you_more_than_you_meaning_in_urdu.pdf
- https://uploads.strikinglycdn.com/files/e5bafeba-1d55-48f2-888b-005a56ef3c2b/letter_to_the_president_of_the_board_army_template.pdf
- https://da89e6ec-52f9-4c28-8de8-447a2e923c0c.filesusr.com/ugd/5e5b2a_60480f4633414c4f9bce5f328ed3d95b.pdf?index=true
- https://uploads.strikinglycdn.com/files/8396693c-bbbf-4543-b7cd-d67360569a5e/cannon_36_gun_safe_reviews.pdf
- https://8533cbf3-c0d6-400c-bdf8-8ca38cf0242b.filesusr.com/ugd/135178_5c2b0714649e4a34a084ac09ea58c493.pdf?index=true
- https://fff5164c-1337-4dca-a870-9ee8129e9d1f.filesusr.com/ugd/11cbe4_c815a64b27ec45638df2fe2635f6f8bd.pdf?index=true
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e1bb.bin304847db1a1808e015ae0e6dea6d8fab06e5d8bc28310c4b574e1834eb65d309 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1BB | 5112 bytes |
font_01_sfnt_off0000f31f.bin214a1f2055353a53655ea8725d1992b8422c34240fcf9acc70a861091acaa5f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF31F | 11500 bytes |
font_02_sfnt_off000118b6.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118B6 | 4324 bytes |
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