MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a machine learning classifier and ClamAV, indicating it is likely a phishing or trojan delivery mechanism. The document contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to obscure the ultimate destination. One of the primary URLs, 'https://cructi.ru/pbw?utm_term=picsart+pro+apk+latest+version+download', indicates a lure for downloading software, potentially malicious. The presence of a 'download button' heuristic further supports this deceptive intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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 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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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://cructi.ru/pbw?utm_term=picsart+pro+apk+latest+version+download PDF link annotation
- https://zunobogodosi.weebly.com/uploads/1/3/4/6/134630435/suwezidorudas.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450426/normal_5fd14cb29acf4.pdfIn PDF document text
- https://zigudufojivop.weebly.com/uploads/1/3/4/7/134718002/gemurum.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446147/normal_605700240362e.pdfIn PDF document text
- https://zoponexe.weebly.com/uploads/1/3/1/6/131606878/melaf-tipum.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://sonopewobu.pbworks.com/w/file/fetch/144420027/what_is_fertility_rate.pdfIn PDF document text
- http://jizakatum.pbworks.com/f/86152370569.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c7d29332-ce85-4167-8ec7-f85907037247/geluloluzawekozub.pdfIn PDF document text
- http://fobimexus.pbworks.com/w/file/fetch/144884829/86936329114.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/804922f7-ead1-4d37-bdbc-1a1d2bb187b1/what_is_the_reading_on_each_of_the_scales.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ad2d0325-eb3a-4e4e-b01d-e0d7770c61cb/13151361319.pdfIn PDF document text
- http://jedilukiwo.pbworks.com/f/price_of_mitsubishi_rvr_in_kenya.pdfIn PDF document text
- http://litopure.pbworks.com/f/saforigofoxuxupibemega.pdfIn PDF document text
- http://podixarutib.pbworks.com/f/how_to_get_free_stardust_in_pokemon_go_hack.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/586fa725-8bee-42ba-b9d6-4e3792ac2e4c/what_is_the_importance_of_k_to_12_curriculum.pdfIn PDF document text
- http://sufizilofab.pbworks.com/w/file/fetch/144500430/5756751487.pdfIn PDF document text
- http://palixazoke.pbworks.com/f/free_mandala_coloring_pages_for_adults_printable.pdfIn PDF document text
- http://sojakun.pbworks.com/f/examples_of_motivation_letter_for_job_application.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/01805227-3639-4e11-abc0-44a96d8f8d7b/voxadamebojosezubir.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_off0000e2d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2D1 | 5284 bytes |
SHA-256: 8955f2e9b2d7c06e1fc93227e5ac7bddd3c7fdd8103482acc49dbb29aa77c154 |
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font_01_sfnt_off0000f4ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4EC | 10632 bytes |
SHA-256: bd1a6ae027d04c2004cc8f433efe85c8a37617e8bc42c6a6252adfdc811853b5 |
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