MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged by multiple heuristics as malicious, including a critical finding for linking to known malicious redirector infrastructure. The document contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to lure users to malicious sites. The ClamAV detection and ML classifier further support its malicious nature, likely as a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/strik?utm_term=el+poder+de+la+palabra+hablada+florence+scovel+shinn+libro+pdf In PDF document text
- https://sonanibiforopo.weebly.com/uploads/1/3/2/7/132710732/rodadub_tiwawa_muzotez_mafelawubiguro.pdfIn PDF document text
- https://woveguzusozor.weebly.com/uploads/1/3/1/3/131383383/8bbb3f60c549.pdfIn PDF document text
- http://mukinokelek.mygamesonline.org/cantor_s_intersection_theorem.pdfIn PDF document text
- https://cdn.sqhk.co/ruxuvedije/ichg1Wk/grand_pixel_battle_royale_apk_download.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391898/normal_603f0cbfd28ba.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378151/normal_5fe15e5aa9e0e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475565/normal_605129b37a14a.pdfIn PDF document text
- https://cdn.sqhk.co/migukosodaza/bididrG/neha_kakkar_songs_2020_mp3.pdfIn PDF document text
- https://cdn.sqhk.co/bodosuruwalu/ghJUgiM/tiktok_starbucks_drink_white_mocha_caramel_drizzle.pdfIn PDF document text
- https://cdn.sqhk.co/sisamide/dpthdjd/legends_football_league_2019_teams.pdfIn PDF document text
- http://vawabipoxe.sportsontheweb.net/edema_pathophysiology.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416144/normal_60518452e21df.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://28481333-1ef2-46fb-8ebf-d56c3f24acbc.filesusr.com/ugd/314c35_b3511e07b48349d2b8ff576490b3461f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/59270e2b-0714-4abe-9d39-20b55e785455/uppababy_vista_2014_rumble_seat_configurations.pdfIn PDF document text
- https://121f8fc1-d270-4171-a721-8ccd656fc20f.filesusr.com/ugd/2ca22b_4bd46bd7193545c1b2afc35e3a374a63.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c130789b-b706-46db-bdf5-aa0ebb30167a/30251990505.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/63f5dbd9-8ffc-4c99-a837-a1d00764e3a6/ropuvi.pdfIn PDF document text
- https://c788b29d-df2d-4d46-9946-349e8cce89b7.filesusr.com/ugd/a9e086_6ee96148549b4612b4e7adb0c06e73b8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9adbb6a2-484a-4c69-ad16-cf31b2254d60/88163764314.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1cf87f59-e9d5-4657-9835-588929420a7e/jeporalitaru.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_off0000df7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF7A | 5400 bytes |
SHA-256: 45e9d2e08a76441db48ea14beaf48bd923ff4ab917f9fb903e08d52fc82977f7 |
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font_01_sfnt_off0000f1d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1D0 | 11796 bytes |
SHA-256: 49d1a4c66aedb84b4467b7505c41a936051f44e10a7a1ca1ffe290c8458175f2 |
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