MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm or SEO manipulation scheme. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan. The embedded URLs suggest an attempt to redirect users to potentially malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://bologen.ru/123?utm_term=comparing+mitosis+and+meiosis+table+answers PDF link annotation
- https://zipuboxovasabe.weebly.com/uploads/1/3/1/4/131483293/popoterukek-gabijuvi-lemufepuju-zipukip.pdfIn PDF document text
- https://nanawoxemataxu.weebly.com/uploads/1/3/5/3/135332584/6d0b10e3b38.pdfIn PDF document text
- https://wevapagavum.weebly.com/uploads/1/3/4/3/134306171/godap.pdfIn PDF document text
- https://mejidoxele.weebly.com/uploads/1/3/4/3/134320803/bc0bd.pdfIn PDF document text
- https://pujofolowax.weebly.com/uploads/1/3/4/6/134669504/kenurajolofikufizidu.pdfIn PDF document text
- https://lofugaliwowutuw.weebly.com/uploads/1/3/5/2/135299309/9694740.pdfIn PDF document text
- https://wolaserirefuf.weebly.com/uploads/1/3/1/6/131637046/690494.pdfIn PDF document text
- https://xumijarivibamow.weebly.com/uploads/1/3/5/3/135339210/vimimumerem.pdfIn PDF document text
- https://dijitisabotiji.weebly.com/uploads/1/3/5/3/135324222/3607566.pdfIn PDF document text
- https://zogadinarele.weebly.com/uploads/1/3/1/4/131409244/60cd5911816ae.pdfIn PDF document text
- https://satisetuxa.weebly.com/uploads/1/3/0/8/130813646/gowofes.pdfIn PDF document text
- https://bomirilipaxotez.weebly.com/uploads/1/3/4/0/134096722/0518b8e.pdfIn PDF document text
- https://vavawuzozut.weebly.com/uploads/1/3/1/1/131163550/93d856.pdfIn PDF document text
- https://jigebizelu.weebly.com/uploads/1/3/1/4/131438259/wojetegamage.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/0aff3797-86a2-4801-8417-fcf9342843bc/87625365181.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ecba97b3-ca3f-4b14-b42b-9a1516f4e019/urban_realms_model_example.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9af43aac-aaba-48ae-a8f7-1a37e6e97327/rock_band_4_dlc_ps4.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ed48287c-0f21-4a7c-abd9-cd94bb2bbeb1/3386135049.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eecbad9e-c935-4935-bae9-4f9f7a946331/16873223752.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/385f9115-b1d0-4b9f-8ea1-66a344a18276/how_will_you_manage_your_work_study_life_balance.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1756dd72-ab2e-4f38-93b3-76ac4e0ec8f5/where_is_test_button_on_kidde_smoke_alarm.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9b76386c-6659-46d9-8755-bab71840c942/53285891701.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_off0000eb8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB8C | 5416 bytes |
SHA-256: 120e5e417efedf462edb5897b08fa77a117b4e8673f2a502a9552ea763be340e |
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font_01_sfnt_off0000fddf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDDF | 10648 bytes |
SHA-256: 8e1f9c439a4a789a3431d330a73914a6205a503d94ee9a298da02c5e968ffa86 |
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