MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, with at least one pointing to a link farm on disposable hosting, suggesting an attempt to distribute further malicious content or phish for information. The document body, though heavily obfuscated, appears to be a lure for a 'physical science grade 10 study guide'. No scripts were extracted, but the presence of external URIs and the link farm heuristic strongly suggest a malicious intent to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 5
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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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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/award?keyword=physical+science+grade+10+study+guide+free+download+pdf PDF link annotation
- http://didazema.mypressonline.com/how_to_remove_cord_from_electric_blanket.pdfIn PDF document text
- http://bavimobuxadu.medianewsonline.com/risk_analysis_journal.pdfIn PDF document text
- http://zomesotemaxage.66ghz.com/73006817602.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374379/normal_601802d82fabf.pdfIn PDF document text
- http://riwozizedilar.mygamesonline.org/rinnai_propane_tankless_hot_water_heater_reviews.pdfIn PDF document text
- http://kizunawinim.getenjoyment.net/39502160955.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368767/normal_5fe1ee560f11e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387419/normal_6004af28e5482.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495402/normal_6027011dcaa86.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4463262/normal_5fe198a327b75.pdfIn PDF document text
- http://fumuroruzej.medianewsonline.com/getting_to_yes_book.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dowuvoduwitovos.atwebpages.com/75038583498.pdfIn PDF document text
- https://8f20b4bd-83f7-4a55-8c6f-e9501e2e061c.filesusr.com/ugd/c1c462_4c1575df1098432ba035ca00cf3ff306.pdf?index=trueIn PDF document text
- https://24a70dd4-b549-4b9e-9c0a-6eea45ab85ad.filesusr.com/ugd/ab0c63_c719e5aea1ca41389621463e95f37f92.pdf?index=trueIn PDF document text
- http://zawipikeg.rf.gd/rin_tin_tin_buffet_biddeford_maine.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4139344d-cbb1-4171-add8-d8c583766e95/what_is_your_philosophy_in_life_tagalog.pdfIn PDF document text
- https://73099f28-10d5-4558-98a1-2f8dc61f1a2f.filesusr.com/ugd/f62eaa_25b1c05630fd453a923de51f4e025247.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a1b501b9-9ec5-4089-96ad-f7778e43615a/99900154524.pdfIn PDF document text
- http://nelamatu.epizy.com/knowing_god_study_guide.pdfIn PDF document text
- http://dupepoge.onlinewebshop.net/integrated_absorption_refrigeration_systems.pdfIn PDF document text
- https://1416a32c-f91c-4ec3-9c10-bfdf610c7df7.filesusr.com/ugd/76de1a_2164a9ee5ae243219c22e50601d417aa.pdf?index=trueIn PDF document text
- http://xatudoxi.epizy.com/lemamuxufajogajerefavinin.pdfIn PDF document text
- http://bimagox.rf.gd/rifujoforaxifibu.pdfIn PDF document text
- https://1682489e-d94b-4f22-b6a6-c8ecb623ca2e.filesusr.com/ugd/5f226e_f03e97c5e1104ab6a534dd1302c81cbe.pdf?index=trueIn PDF document text
- http://tonavisuma.onlinewebshop.net/pasiliravano.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9d5e7f80-ce7d-435e-b2d6-6854c9954c70/midnight_sun_brewing_distribution.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e2c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2C9 | 5808 bytes |
SHA-256: 71cb49dd63953b4c0a7bc3d9bf8318480427da89f3fec72b2d9404418d6e764c |
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font_01_sfnt_off0000f6a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6A9 | 10780 bytes |
SHA-256: 56a4aa1f743b734b9903342c55ec597b7f67728288f7f68339b422e228caf6c7 |
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