MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to disposable hosting services, and one critical link to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'New Sims 4 update 2021'. The presence of numerous links and the malicious redirector strongly suggest an attempt to direct users to malicious sites for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://crophysi.ru/strik?utm_term=new+sims+4+update+2021 In PDF document text
- https://zokemubolito.weebly.com/uploads/1/3/4/8/134895641/15f9ea34175bf8.pdfIn PDF document text
- https://lamipakowoj.weebly.com/uploads/1/3/2/8/132814468/5149159.pdfIn PDF document text
- https://dunawotota.weebly.com/uploads/1/3/1/4/131438316/1156638.pdfIn PDF document text
- https://rabidibizuzej.weebly.com/uploads/1/3/4/6/134648686/551274.pdfIn PDF document text
- https://jiduwaramusova.weebly.com/uploads/1/3/4/8/134854614/doxatajodelepem.pdfIn PDF document text
- https://tonavamajarow.weebly.com/uploads/1/3/4/6/134694337/kozuga-mukiradu-jizoxez.pdfIn PDF document text
- https://velonifiwivuli.weebly.com/uploads/1/3/0/7/130739758/tenexuz.pdfIn PDF document text
- https://wuvotawek.weebly.com/uploads/1/3/4/8/134872633/5992040.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://s3.amazonaws.com/befafuni/zojok.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a879911f-dd02-47f7-b08e-6d0759aa349a/sazixapakusafekajarefega.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/188b514d-0e0c-47cc-9269-24c3d02f20d0/58623508766.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fe6dbbef-5762-44bd-a6b8-e15026953b68/81617956094.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/57fb7242-a088-401e-840f-f903ce8629bd/who_stars_in_hunger_games_mockingjay_part_1.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c164f3fd-8871-4d21-8c68-36f55625e575/commanding_my_morning.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c6ee7083-120b-4e18-80b0-77418f5632d3/90741833619.pdfIn PDF document text
- https://s3.amazonaws.com/devuxuzejozam/blocky_farm_racing_apk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8658bdde-2e4a-4d9e-96d0-f1ef93c5a7f2/if_clause_type_2_exercises_multiple_choice.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2b72888f-3bbe-4fd6-8168-6f851ea3c380/84169336345.pdfIn PDF document text
- https://s3.amazonaws.com/pibabopuduj/dog_barking_wav_file.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e667.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE667 | 5116 bytes |
SHA-256: 32419f6c86ccab1ac9056031521d2b9093e71bca4cca00fa4076517437e44afd |
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font_01_sfnt_off0000f7ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7EC | 10224 bytes |
SHA-256: 7b24fbfcd835e1a4a084840541d2871240733280ee3c83a726fac89493f2ce76 |
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font_02_sfnt_off00011ae8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AE8 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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