MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ClamAV and a machine learning classifier. It contains a large number of embedded links, with at least one pointing to known malicious redirector infrastructure. The document body is heavily obfuscated and appears to be a lure for users to click on these links, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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/123?utm_term=aggiornamento+android+lg+g5 In PDF document text
- https://cdn-cms.f-static.net/uploads/4367922/normal_606ad521967e6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373008/normal_60546fccbee60.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495988/normal_605b091b8a214.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449783/normal_605918542fa63.pdfIn PDF document text
- https://sizolofowexowar.weebly.com/uploads/1/3/5/3/135350689/badutadukexizox.pdfIn PDF document text
- https://zikamesezelili.weebly.com/uploads/1/3/4/8/134857079/tuxonidapo.pdfIn PDF document text
- https://wiworixoso.weebly.com/uploads/1/3/4/3/134321663/mogedol.pdfIn PDF document text
- https://pewarefat.weebly.com/uploads/1/3/4/3/134361746/rewisusalil-sizujobus-fukomolusonumo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426072/normal_602970ff90d22.pdfIn PDF document text
- https://zoviwifave.weebly.com/uploads/1/3/6/0/136053666/1648522.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/42478205-7b9d-4293-8834-99b3362e1556/5928497205.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a2611f4e-3d77-4035-b5e9-4f3eb8e161f8/towiledexotoronurox.pdfIn PDF document text
- http://tuvovazuvezo.pbworks.com/f/farmville_2_tropic_escape_hack_mod_apk_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f92fe9b9-1c92-4b81-b1ea-1483c7ac4bf2/java_se_development_kit_8_64_bit_free_download.pdfIn PDF document text
- http://kemuxin.pbworks.com/w/file/fetch/144553506/7074064839.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ebde710b-72b0-4ebb-b317-47b411a800fd/solving_linear_inequalities_word_problems_worksheet.pdfIn PDF document text
- http://zolunegoli.pbworks.com/w/file/fetch/144615897/bukedasewukafewofutoza.pdfIn PDF document text
- http://xuvabufoj.pbworks.com/w/file/fetch/144456348/dikasexugutorasibuwa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/da293ee9-6aef-4ae0-bdf2-6217af96105b/how_many_episodes_of_ultimate_spider_man_are_there.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4f1f235b-123b-4bbd-a642-57f71a1d6b0e/luxujivekonufoxalivu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/747aab6d-c5db-4242-be71-d3a34dd78721/casio_f91w_led_mod.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e0b6fbb0-ebcf-4166-94d2-bcd5cea981cd/cnn_world_news_today_2020.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/af48e0d7-93c7-481a-9d79-1daa326b59a2/nilatexemej.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_off00011bf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BF2 | 5080 bytes |
SHA-256: 96266d39cd97fc6ef238c2f08237059293e49deec113454823289d05bbcddb01 |
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font_01_sfnt_off00012d23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D23 | 11784 bytes |
SHA-256: 1ec78e422f19d6e82f5ae2944904f2108ae2ab5797c6d658fba525eae5495906 |
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