MALICIOUS
186
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 high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. One of the primary URLs, 'https://jumiwimov.ru/award?keyword=chapter+3+scarlet+letter+pdf', is associated with unknown reputation, while others are marked as benign, but the overall pattern of numerous links points towards a malicious distribution strategy. No scripts were extracted, but the presence of external links and the PDF structure itself are indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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 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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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://jumiwimov.ru/award?keyword=chapter+3+scarlet+letter+pdf PDF link annotation
- http://easterthjg.com/71631763591momzu.pdfIn PDF document text
- http://ultra0.space/midojemomitajipuruzisvn2w0.pdfIn PDF document text
- http://chambrely.xyz/how_to_check_f_distribution_table1nbz2.pdfIn PDF document text
- https://wotapidedodibi.weebly.com/uploads/1/3/4/4/134475573/97be9fb.pdfIn PDF document text
- http://mattelipsticks.site/acceptance_and_commitment_therapy_training_near_mexdbz6.pdfIn PDF document text
- http://memenakamawe.iblogger.org/96855296987.pdfIn PDF document text
- https://kofutisidizeb.weebly.com/uploads/1/3/1/4/131437743/zufubutibanizux.pdfIn PDF document text
- http://garant-ritual.online/bovedamr9nvv.pdfIn PDF document text
- https://gekonoxare.weebly.com/uploads/1/3/4/4/134480638/wobijuwokeranuveli.pdfIn PDF document text
- http://vehicleinsusa.com/xozirafixamogamapufu3gdqp.pdfIn PDF document text
- https://vuzitiruf.weebly.com/uploads/1/3/2/8/132814505/608131.pdfIn PDF document text
- http://jopagozopive.medianewsonline.com/how_to_edit_text_box_in_microsoft_paint.pdfIn PDF document text
- https://giromotazipajid.weebly.com/uploads/1/3/1/3/131384567/f0f3c3bb5.pdfIn PDF document text
- http://warixedivukinat.mygamesonline.org/can_you_have_2_modems_with_spectrum.pdfIn PDF document text
- https://masogivuxun.weebly.com/uploads/1/3/4/8/134887982/siwenuwasufig.pdfIn PDF document text
- http://dosaxixapaxa.medianewsonline.com/resumo_sobre_o_ciclo_de_krebs.pdfIn PDF document text
- http://shop50off.info/aiou_assignment_cover_pagehnfdh.pdfIn PDF document text
- https://kozegefiseram.weebly.com/uploads/1/3/1/3/131379202/winogi-levate-sagejorirevepub-batajar.pdfIn PDF document text
- https://xatevixi.weebly.com/uploads/1/3/4/6/134651360/3c94172e4fd5f.pdfIn PDF document text
- https://rewumakabaw.weebly.com/uploads/1/3/4/8/134856880/3055323.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fasadokejofis.epizy.com/witcher_3_igni_build_guide.pdfIn PDF document text
- http://boxijekew.atwebpages.com/kadambari_books_in_marathi.pdfIn PDF document text
- http://ledaruwevegoxu.onlinewebshop.net/39720021855.pdfIn PDF document text
- http://kumibapu.epizy.com/rival_microwave_replacement_parts.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_off0001c4d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C4D2 | 5312 bytes |
SHA-256: 237c4c956797e1f7bec5c66c6c56418110015d646868c2c05f388d262fe92a06 |
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font_01_sfnt_off0001d6d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D6D6 | 10208 bytes |
SHA-256: f973b9b85a0ed039801f47f411e5cedba2d773f5d43a988cb67bcfa1d4a56385 |
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