MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to various external PDFs, with a primary URL suggesting a lure for downloading 'iroot apk for android 5.0 free download'. The presence of numerous external links and the nature of the primary URL point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://nomylo.ru/pbw?utm_term=iroot+apk+for+android+5.0+free+download PDF link annotation
- https://cdn-cms.f-static.net/uploads/4449615/normal_601b052cc966d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4479684/normal_600154bb308d8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4488314/normal_5ff28239bc80e.pdfIn PDF document text
- https://lawuzifelive.weebly.com/uploads/1/3/4/0/134041442/43dee24b32c0be.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483602/normal_602938dc44032.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476768/normal_5fe7aa719c036.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471946/normal_60311d69a300c.pdfIn PDF document text
- https://suvojenedixu.weebly.com/uploads/1/3/4/3/134354738/zowiwo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413369/normal_5fdfb97a1dddf.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4475204/normal_6007e3a8af251.pdfIn PDF document text
- https://bomoturu.weebly.com/uploads/1/3/1/3/131384468/9037344.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://sodopateduke.pbworks.com/w/file/fetch/144419952/sadexegizalafomozexoko.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e241772b-a9d9-4afa-8f76-6c914b2ee3a1/69701414141.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e386780a-61b0-4d69-9672-9dc56fa4c460/zenopopaxumejiluf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/66ac0768-6042-4217-917a-fe786142a839/tuwikozixumexifiride.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/82231c2d-4c27-4b70-b555-7e2736695575/binanupuluwi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7ac231db-f134-46e9-8c80-609a77cca998/yamaha_mg20xu_driver.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b52cc870-cd79-4468-821d-e1b3f6adb0fb/intermediate_accounting_kieso_3rd_edition_ppt.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/30eca868-072c-4ffc-afcb-3160d8e9b70e/7269032120.pdfIn PDF document text
- http://negovijalulu.pbworks.com/w/file/fetch/144418476/what_does_ch_mean_on_lg_air_conditioner.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e7bbc245-8c9e-4b8b-a7cf-431ddcfacce0/harry_potter_1st_film_name.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_off0000e7a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7A2 | 5248 bytes |
SHA-256: 4f6a3474e187dfe5bcd1361f7e3d6f66f7e376f7e45da29aca1f57426c1b1fc4 |
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font_01_sfnt_off0000f9aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9AA | 20704 bytes |
SHA-256: 5382611b44a20bd6bbd8f73d0601600c65a7944c7ec2c6768c5851667696bbae |
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