MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF document that functions as a link farm, containing numerous URLs pointing to external sites. One critical heuristic indicates a link to known malicious redirector infrastructure, and another highlights a mass external PDF link farm. The document body, though heavily obfuscated, appears to be a lure related to determining windshield wiper blade size, which is likely a pretext to drive traffic to these linked sites.
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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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=how+to+determine+windshield+wiper+blade+size In PDF document text
- http://neditaxuvim.getenjoyment.net/81836429049.pdfIn PDF document text
- https://wakaxizuso.weebly.com/uploads/1/3/5/3/135322555/61961.pdfIn PDF document text
- https://voxonexagigiwal.weebly.com/uploads/1/3/5/3/135346225/nujod_zojerosepewuj_xekilapiz_karosobad.pdfIn PDF document text
- http://wimuzawoxi.getenjoyment.net/video_camera_angles.pdfIn PDF document text
- https://lomizagufefeg.weebly.com/uploads/1/3/4/0/134096038/8076994.pdfIn PDF document text
- https://gabusuve.weebly.com/uploads/1/3/5/2/135297202/2578128.pdfIn PDF document text
- http://fupefabesosada.mygamesonline.org/how_to_get_splat_hair_dye_out_of_sink.pdfIn PDF document text
- https://jonimewogil.weebly.com/uploads/1/3/1/8/131860125/4c5d9c.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/eaf6741d-284e-4442-9c73-b4c2e8454328/philosophy_of_science_journal_submission.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2b839dd5-95c2-4219-b6f3-e095ae38349b/68264197748.pdfIn PDF document text
- https://s3.amazonaws.com/sizadagazagaj/pozapida.pdfIn PDF document text
- https://s3.amazonaws.com/dudurat/muzoxebalobo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/df5b3fb7-8773-4722-acab-43f27f6d3be8/70582514775.pdfIn PDF document text
- https://s3.amazonaws.com/jiwisi/how_to_pair_panasonic_dect_phone_8x8.pdfIn PDF document text
- https://s3.amazonaws.com/diwitapezu/remifegudonojobibubuxoref.pdfIn PDF document text
- https://s3.amazonaws.com/jivala/50072100498.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/57ea0c9c-3e1c-45e1-8174-fc910378adce/sony_rx100_iv_video_quality.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8f99ab23-28a9-4610-86a5-f2be1d192368/26367417946.pdfIn PDF document text
- https://s3.amazonaws.com/liwafo/sakonu.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_off0000f757.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF757 | 5440 bytes |
SHA-256: 10a93023ffc1862985143c36adbca0a939899856c8e748340d33019091421343 |
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font_01_sfnt_off000109ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109BA | 11576 bytes |
SHA-256: 32c3f717d272cda5a2bede0570c1dbe008095a0712c0fd2e8675d990f9c66503 |
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