MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, dafemum.ru, which is disguised as a photo app. This indicates a phishing or malware distribution attempt. The presence of numerous external links, many on disposable hosting, further supports this, suggesting a link farm designed to obscure the final malicious destination. ClamAV also detected this file as Pdf.Phishing.Trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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=photo+app+to+put+pictures+on+top+of+each+other In PDF document text
- http://pubgmobiie.com/685764769722k8ep.pdfIn PDF document text
- http://manybigs.space/what_is_the_meaning_of_sensory_language7xwqr.pdfIn PDF document text
- https://dumugeve.weebly.com/uploads/1/3/5/3/135318044/wumifowudoxog.pdfIn PDF document text
- https://fijegude.weebly.com/uploads/1/3/4/8/134850985/1477252.pdfIn PDF document text
- http://shothard.site/xarusimemevewurusatebuvoaj1kr.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://18cb0a1d-3822-48a5-9ca0-56465202bc9b.filesusr.com/ugd/96564c_5be22490bbd34cbbbbe589d0085aa4e7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f88f18ae-e84a-44c9-8a7a-1fd33105ce1a/97224311332.pdfIn PDF document text
- https://18cceff7-6d50-42ec-9d85-67184b61345e.filesusr.com/ugd/8c2e83_c63eaa0bcdeb4591b3089d3febaaa8d5.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8965962f-6792-4830-8624-96eaeac36876/he_comes_next_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b987f73f-e540-4846-aed7-1b6df9c53823/how_to_calibrate_a_cvs_blood_pressure_cuff.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/61611ded-b17f-47a2-9912-a740e74df898/western_civilization_spielvogel.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6430c5f1-97e1-4bcd-b07a-7ad66cac444c/wefejudotu.pdfIn PDF document text
- https://c931c956-7f53-4e4e-96dc-27d7f003ba63.filesusr.com/ugd/b80c10_59f1386f7a494ef0a11a5d112b8866d9.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vavapekadoliti/theoretical_probability_worksheet_7th_grade.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8b38601e-d738-475a-8fb6-bfb50e6964c9/the_black_prince_full_movie_filmywap.pdfIn PDF document text
- https://s3.amazonaws.com/xukirizugukugi/mbbs_physiology_practical_book.pdfIn PDF document text
- https://s3.amazonaws.com/dejazuvorira/bluetooth_app_sender_for_pc.pdfIn PDF document text
- https://s3.amazonaws.com/zumezeviwakiz/basic_instinct_1992_english_subtitles.pdfIn PDF document text
- https://s3.amazonaws.com/divelatoxa/rifavem.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/52b81f13-52f8-4b07-81d4-c1aa114215d9/26549618997.pdfIn PDF document text
- https://caf0f927-206f-4b4e-aa34-0dd3da53679b.filesusr.com/ugd/83d902_6f4f935c72f14f02a157cd8f798c80a2.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/59d5e9f9-2c17-45ac-bf31-8764fb8c00b7/figoxetopuselatuz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8bbf7b7f-5ec4-4423-8f86-9e10e4ffa9dd/xowegetaxi.pdfIn PDF document text
- https://1de4b56a-3309-4767-83a2-f1bb1ea7c594.filesusr.com/ugd/a6e5e9_134e3f83239c4d07b1ac16307ae11dab.pdf?index=trueIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f30d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF30D | 4956 bytes |
SHA-256: 185adcf90637be3dcb6f94817f99ff58cae7d2ab330673e8dc168265b2f855c9 |
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font_01_sfnt_off000103dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103DC | 10676 bytes |
SHA-256: f46170e92f307cf9b9a0cacd3321bee8177eccbf2e6a168580c17b84e9054195 |
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font_02_sfnt_off00012872.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12872 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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