MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded URLs, one of which, https://pistant.ru/pbw?utm_term=among+us+apk+mod+menu+2021.4.2, is associated with a lure for a game modification. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is part of a link farm designed for SEO manipulation, further supporting a phishing or malware distribution scheme. No scripts were extracted, but the overall structure and embedded URLs point to a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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://pistant.ru/pbw?utm_term=among+us+apk+mod+menu+2021.4.2 PDF link annotation
- https://daburupolajiwu.weebly.com/uploads/1/3/4/6/134634816/1352030.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455374/normal_6054b53bd7998.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485001/normal_6034086da7f0c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4452608/normal_5ff8712244720.pdfIn PDF document text
- https://vureduvo.weebly.com/uploads/1/3/4/5/134513064/4119095.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jolowajuwijo.pbworks.com/w/file/fetch/144521820/lfs_unlocker_download_free.pdfIn PDF document text
- http://lopofemusun.pbworks.com/w/file/fetch/144505305/fantastic_beasts_and_where_to_find_them_cast_miller.pdfIn PDF document text
- http://bevojoluvu.pbworks.com/f/application_letter_for_school_scholarship_sample.pdfIn PDF document text
- http://mumasenekera.pbworks.com/f/40223575052.pdfIn PDF document text
- http://togiwuvoze.pbworks.com/f/92780757717.pdfIn PDF document text
- http://didaneguk.pbworks.com/f/how_to_use_a_innova_3306_multimeter.pdfIn PDF document text
- http://pukagij.pbworks.com/w/file/fetch/144586503/93582284369.pdfIn PDF document text
- http://tujezowosop.pbworks.com/w/file/fetch/144671769/what_are_the_5_type_of_sensory_receptors_and_where_are_each_found.pdfIn PDF document text
- http://mutoteja.pbworks.com/w/file/fetch/144502908/st_kardeler_filmi_izle.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/443374fe-2016-4e35-bc30-1423e47fb8ef/21251800615.pdfIn PDF document text
- http://tukufidanega.pbworks.com/f/tekken_blood_vengeance_2011_bluray_1080p_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/037d81bf-1493-463f-a9a9-75e1a78cc67f/simcity_4_deluxe_edition_download_iso.pdfIn PDF document text
- http://duziruromeja.pbworks.com/f/gevulumemox.pdfIn PDF document text
- http://vawijoj.pbworks.com/f/wenipofilomixufogab.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_off0000eb99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB99 | 5652 bytes |
SHA-256: adaf4462133199a3a455b78b78ca861635e61bcb753284c152d6d361d768f713 |
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font_01_sfnt_off0000fee1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEE1 | 11364 bytes |
SHA-256: 03da1348172255056736b1ed43c7ba4765101dc853a4263818e764b41d6db202 |
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