MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous embedded URLs, with one specifically pointing to 'nipisod.ru' and appearing to be a lure for 'android studio learning book pdf'. The PDF structure also suggests it's part of a link farm, designed to redirect users to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 5
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://nipisod.ru/award?keyword=android+studio+learning+book+pdf PDF link annotation
- https://cdn.sqhk.co/rovukupovumo/cbijyha/principles_of_management_clep_quick_prep_sheet.pdfIn PDF document text
- https://cdn.sqhk.co/vafodagusun/efNibjd/file_manager_download_apkpure.pdfIn PDF document text
- https://nagiwudulowep.weebly.com/uploads/1/3/0/7/130775657/37b14.pdfIn PDF document text
- http://gufutaca3.xyz/5288179408765d2x.pdfIn PDF document text
- https://bivupiduxod.weebly.com/uploads/1/3/4/6/134664268/botoxewojebekuj.pdfIn PDF document text
- https://xofiguguja.weebly.com/uploads/1/3/2/7/132710561/0b4dc26.pdfIn PDF document text
- https://cdn.sqhk.co/nurijodefa/aDjcIil/fibugagesabunive.pdfIn PDF document text
- http://instapodarok365.site/tiger_scout_bookb2cr4.pdfIn PDF document text
- https://wimelavejitovuv.weebly.com/uploads/1/3/4/5/134597731/7048920.pdfIn PDF document text
- https://cdn.sqhk.co/gopuxipo/ajfkggd/hero_of_the_rails_games_free_online.pdfIn PDF document text
- https://xegokefizu.weebly.com/uploads/1/3/5/3/135323464/fopafozivuwevuwoxape.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/9453d708-2d67-450b-85a4-c43548e44aa7/seboku.pdfIn PDF document text
- https://s3.amazonaws.com/dubiditiginowo/75633373804.pdfIn PDF document text
- http://difufoj.rf.gd/android_get_id_name.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ba4269a8-dc87-4a1c-99a1-d9cb1223ed6d/funai_sv2000_dvd_recorder_manual.pdfIn PDF document text
- https://s3.amazonaws.com/serogajugomiji/changeling_full_movie.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/22d32811-b355-427a-bd47-69de86b2c975/60962516043.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8b25d2e2-c5c3-4994-8b9a-2f0cc67ed9cf/8152031308.pdfIn PDF document text
- http://gukuwet.epizy.com/dibinewunumajolusurivad.pdfIn PDF document text
- http://dogefifuga.rf.gd/read_manga_i_want_to_be_normal.pdfIn PDF document text
- http://supoxurenabix.epizy.com/how_to_change_the_name_on_your_drivers_license.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0dd372f2-57e3-4a64-bb7a-be6bac2ea672/who_is_watchman_nee.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000111c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111C5 | 5404 bytes |
SHA-256: 6500617fdcdc9ee1f3dd98493df15e42deb40a2ca3bc67dc6c87c580e8645e2a |
|||
font_01_sfnt_off00012434.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12434 | 11132 bytes |
SHA-256: 18ed42cf2efeac0d4eae4300d4bb7eb643ed103bb58292ce30d5750f3a7596a1 |
|||
font_02_sfnt_off00014a90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A90 | 16480 bytes |
SHA-256: cfb81015ccc48e34430eefe4798d2ceb6eb399c3071117bcf8196ad78feeec32 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.