MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable domains and are part of a link farm, indicating a phishing or scam attempt. The document body, though heavily obfuscated, suggests a lure related to 'vocabulary for ielts reading pdf'. No scripts were extracted, but the PDF structure and URL patterns strongly suggest a phishing attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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 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/award?keyword=vocabulary+for+ielts+reading+pdf PDF link annotation
- http://lofitner.buzz/example_of_reliable_and_unreliable_sources_of_health_information_and_products0mzw4.pdfIn PDF document text
- http://netlysy.online/jebekopazirebe3chml.pdfIn PDF document text
- http://xitnet.fun/68879129471ni8tz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476938/normal_5fda2fcaeb10e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463275/normal_604d913d394a9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381788/normal_600bf16167512.pdfIn PDF document text
- http://getchambre.xyz/how_to_cite_an_organization_website_with_no_author_mlagd4iv.pdfIn PDF document text
- http://rezisekuvaz.mypressonline.com/roland_barthes_camera_lucida.pdfIn PDF document text
- http://everydayy.fun/lajobeneazhhu.pdfIn PDF document text
- http://useplafond.xyz/66835962427b60tz.pdfIn PDF document text
- http://aromaita.space/xiduvoxusijakugojezaxazeql78b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418566/normal_5fd65273d8ae5.pdfIn PDF document text
- http://creamwalls.online/qu_es_lo_primero_que_debe_hacer_cuando_un_vehculo_motorizado_empieza_a_patinarnavvo.pdfIn PDF document text
- http://hermidkovo.info/bosch_1617evspk_wood_router_australiacns27.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kipejefanowisu.atwebpages.com/describing_the_sun_in_the_morning.pdfIn PDF document text
- http://lijowavatajo.myartsonline.com/vepurowu.pdfIn PDF document text
- https://7f993087-45f6-41f4-96e5-9dcaca18fb91.filesusr.com/ugd/9a92dd_8998acdb4174406abe248ac6615343b4.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/woneketelak/96426297588.pdfIn PDF document text
- https://8d67285a-e3c5-4820-bb1a-bb91ce1079a6.filesusr.com/ugd/d54300_6ed41090eb0c4c11b8b206fd81ec1c24.pdf?index=trueIn PDF document text
- https://a32e93c2-1aa3-4149-af29-aa5d163ab988.filesusr.com/ugd/40336e_9c502618e2c64235b9ff6b6649ece15f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xisefowu/96108355652.pdfIn PDF document text
- https://21e323bd-7fdd-46e9-a6c7-4880e76d7610.filesusr.com/ugd/0a51c1_697eb6b8eed041c4b29cafd87bad9ed2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fosawef/mobogenie_android_uptodown.pdfIn PDF document text
- https://a1bd7baf-2de3-4c81-8914-4b74a732ecf9.filesusr.com/ugd/c89f15_9138e7015b11479486faee4f46c01904.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
- 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_off0000f7f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7F9 | 5528 bytes |
SHA-256: 55b1104c189fa66f9eb582585f64489a7319221385bfc52a8bfdc521784813b6 |
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font_01_sfnt_off00010adc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ADC | 11256 bytes |
SHA-256: 39939fb977e094a533bf7fcb21c03b844948e4544127370b8681b65fb6da1427 |
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