MALICIOUS
194
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 an invoice-themed lure. 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 0.9964
Heuristics 7
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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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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://jacksth.ru/123?utm_term=does+google+docs+have+an+invoice+template PDF link annotation
- https://voxonevixes.weebly.com/uploads/1/3/4/3/134383310/2315739.pdfIn PDF document text
- http://kutatit.getenjoyment.net/sewewanunupusorikiwulet.pdfIn PDF document text
- https://satuvimafinob.weebly.com/uploads/1/3/0/7/130739393/4449626.pdfIn PDF document text
- http://lafilubepojev.scienceontheweb.net/what_is_the_whole_armour_of_god_kjv.pdfIn PDF document text
- https://tejenopaje.weebly.com/uploads/1/3/1/1/131164027/5385974.pdfIn PDF document text
- https://bodokevusigow.weebly.com/uploads/1/3/2/7/132740435/cbdbb3bab72.pdfIn PDF document text
- http://junumidutuzakox.getenjoyment.net/57395840512.pdfIn PDF document text
- https://jesipawuba.weebly.com/uploads/1/3/0/8/130874316/xizow.pdfIn PDF document text
- https://gatiwisukebemo.weebly.com/uploads/1/3/1/4/131438587/mowibij-nasimegur-pasigelaz.pdfIn PDF document text
- https://xalanuxezofoki.weebly.com/uploads/1/3/4/3/134309931/kovenakusodoku_lenolag_turagelo.pdfIn PDF document text
- https://limuvowefegepud.weebly.com/uploads/1/3/4/5/134509231/semunag.pdfIn PDF document text
- https://pojasulexubu.weebly.com/uploads/1/3/5/9/135993084/xadileretibupuri.pdfIn PDF document text
- https://lekusilikeveb.weebly.com/uploads/1/3/0/7/130739001/fiwewexopajizoxipa.pdfIn PDF document text
- http://sunakijabe.sportsontheweb.net/29730543933.pdfIn PDF document text
- https://fodolirikixubug.weebly.com/uploads/1/3/5/2/135297927/03dba.pdfIn PDF document text
- https://vomizovuzib.weebly.com/uploads/1/3/1/6/131637161/patadif.pdfIn PDF document text
- https://sokarapojuler.weebly.com/uploads/1/3/1/1/131163736/pulopanexufi.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://f85e9a30-dbb9-40fd-a66d-53bd7daafe07.filesusr.com/ugd/1b9faa_f44536db11fb44efac097217f14d51fa.pdf?index=trueIn PDF document text
- https://eee5dff6-7331-416e-acdf-593d0c386862.filesusr.com/ugd/21e9e0_28ef99fa3fb949e69523852583b5a189.pdf?index=trueIn PDF document text
- https://fc06435f-e709-4c80-b59d-96fa470c1a13.filesusr.com/ugd/bdc04d_44ae2eb2f5e9425c8179798c857dbd44.pdf?index=trueIn PDF document text
- https://994180ce-385f-4272-9833-4a204a825e0f.filesusr.com/ugd/ec0c41_985e46a27d1248d8b4527e59eb987d17.pdf?index=trueIn PDF document text
- http://jisunopesaluzi.atwebpages.com/inicio_del_ciclo_escolar_2019_mexico.pdfIn PDF document text
- https://6d428a25-da86-44fa-8f13-5b0f09742281.filesusr.com/ugd/3649d2_77ceff3d5331430ea316bfbf4c167276.pdf?index=trueIn PDF document text
- https://11484d69-1612-41b9-9199-165df1f08223.filesusr.com/ugd/e2f197_d9dc19c1bd5b4d3d8f4f97adc34b36f3.pdf?index=trueIn PDF document text
- https://367e539a-c541-4439-991c-4bf2bef2aa7a.filesusr.com/ugd/77d535_56b9ca3b57f44100af449cd138e57fa4.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f9d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9D0 | 6744 bytes |
SHA-256: b29f9350a720d2da9dc50567d08c4a82684db1fcb28a47e3a5788345b392d808 |
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font_01_sfnt_off00010ab5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AB5 | 5240 bytes |
SHA-256: 1a8a703f5d649e3e9715ac6bfc75124ebcdecb36a6304f39d7f5ec48fb8eca88 |
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font_02_sfnt_off00011c5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C5C | 2096 bytes |
SHA-256: 7cd81da48aaa6dd7e8de027d154c3cac54cc15e3509c2da48772097502d580e5 |
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font_03_sfnt_off000125f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125F4 | 10936 bytes |
SHA-256: e6630e71851bbec71439c3baae137a166868c7dbed1d894e9adeab9842702b9e |
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font_04_sfnt_off00014b72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B72 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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