MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file exhibits characteristics of a phishing lure, specifically referencing a "Walmart grocery promo code hack" in its document body. It contains a significant number of external links, many hosted on disposable domains, indicating a link farm designed to redirect users to potentially malicious sites. The ML classifier and ClamAV detection strongly support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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://seumenha.ru/strik?utm_term=walmart+grocery+promo+code+hack PDF link annotation
- http://banuzatama.22web.org/74202773582.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4385848/normal_6009a1c4929e7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467955/normal_603499da1b7ff.pdfIn PDF document text
- https://bunupujitoj.weebly.com/uploads/1/3/4/0/134017728/nonunukaraz-soziwinosipe.pdfIn PDF document text
- http://timedezalug.iblogger.org/alp_psychology_test_book.pdfIn PDF document text
- http://sijojovimem.22web.org/lcm_and_gcf_worksheets_grade_8.pdfIn PDF document text
- https://sisebafob.weebly.com/uploads/1/3/0/7/130776599/naguvedabuvop.pdfIn PDF document text
- http://zaketim.22web.org/bean_bag_toss_rules.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://nazifaba.rf.gd/vuluzufibamipevape.pdfIn PDF document text
- http://jodewejuwuw.epizy.com/kazuzapibewomenevo.pdfIn PDF document text
- http://gezojetisab.epizy.com/52424342424.pdfIn PDF document text
- https://c480cc3d-c044-45b7-a7fa-747782367dcd.filesusr.com/ugd/a26f59_01dbc2e63d59450f9297821a61e2babf.pdf?index=trueIn PDF document text
- https://070488ba-e3d9-4c74-834b-445551f5513c.filesusr.com/ugd/fb83f1_46ac06bb2e6047c18869f951f27cde5d.pdf?index=trueIn PDF document text
- https://091a8774-b5bd-4fb7-8799-8d1ca0ca44ad.filesusr.com/ugd/8716ab_73ed0d00a095491a82f4c71bf70e742a.pdf?index=trueIn PDF document text
- http://gavojomizam.epizy.com/antenna_theory_analysis_download.pdfIn PDF document text
- http://teveniwavabubak.rf.gd/how_can_i_check_my_covid_19_test_result_in_qatar.pdfIn PDF document text
- https://9eaa565e-fb97-40b4-b096-d6760803f699.filesusr.com/ugd/55e2c6_460bd4bff44d4416a101d0269ecffbbe.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/48c65042-97ba-4aae-a31d-6e82e1a9e348/how_to_have_hobbies_in_sims_freeplay_fast.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_off0000eb5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB5D | 5488 bytes |
SHA-256: 75b768d82f145c90c906822bbd1b0fe5caa5cfda9ce2d3e16cc7bbda824e8c4f |
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font_01_sfnt_off0000fdee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDEE | 11448 bytes |
SHA-256: 004298f9c042f12ad0336987bad2b77eecd44fa1274e9ae2b119a8d819f63e38 |
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