PDF malware analysis — malicious · aa86220602d04d77

MALICIOUS

PDF

67.5 KB Created: 2021-09-25 11:52:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06

MD5: 7b77fc20ec554843b83284006bb1398c SHA-1: 9a1bae883854aaa0933f43811b1fcc2d58866eb2 SHA-256: aa86220602d04d774f0819bc3535cb81bb6e09db4a58e1480a533c9fe72dfb71

126 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9968

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV 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_FARM

Small 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_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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_URL

One 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://pistant.ru/uplcv?utm_term=happy+mod+hack+coc PDF link annotation
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612f570f39e80---fikejuxewojuvuzorawulis.pdfIn PDF document text
- https://ms01bet.net/contents/files/48207493158.pdfIn PDF document text
- https://sme.bankai.lv/ckfinder/userfiles/files/repideka.pdfIn PDF document text
- http://gonzagafood.com/userfiles/files/48522733503.pdfIn PDF document text
- http://danangsculpture.com/uploads/image/files/lukefasaduvuwuzofifo.pdfIn PDF document text
- https://zagi.hr/files/naredi.pdfIn PDF document text
- http://ambiance-cinema.fr/wp-content/plugins/super-forms/uploads/php/files/51002b34311ea187c8fea058a91cea50/sumopalozotad.pdfIn PDF document text
- http://tangiahoang.vn/Images_upload/files/jezitifupodepelof.pdfIn PDF document text
- http://ranchobg.com/img/file/lufoxafolixirez.pdfIn PDF document text
- http://caythuocdangian.net/images/files/17250560524.pdfIn PDF document text
- https://www.la-providence-ehpad.fr/ckfinder/userfiles/files/xeguwesif.pdfIn PDF document text
- http://12shio5.com/contents/files/jefopatewoxeru.pdfIn PDF document text
- https://kalyna.ua/sites/default/files/userfiles/file/nikopazolo.pdfIn PDF document text
- http://maha.tcnme.com/chop/multimedia/userfiles/file/65727582767.pdfIn PDF document text
- http://vector-mebel.ru/uploads/files/59777334236.pdfIn PDF document text
- https://www.zolmedis.lt/ckfinder/userfiles/files/29720788566.pdfIn PDF document text
- https://drivetripper.com/userfiles2020/files/mawomorilagaf.pdfIn PDF document text
- http://xn--80aafbjcazdrhzgiddbbcsg4l.xn--p1ai/pict/file/medidixoroj.pdfIn PDF document text
- https://szabobuszberles.hu/files/files/28233305983.pdfIn PDF document text
- http://pk.mo/userfiles/file/76382818321.pdfIn PDF document text
- http://lsbwg.com/ckfinder/userfiles/files/20210910/1930573589.pdfIn PDF document text
- http://thegioichuyendong.info/app/webroot/upload/files/45519736030.pdfIn PDF document text
- https://swaarm.de/app/webroot/upload/files/rokezabemogibosigekiwor.pdfIn PDF document text
- http://gardena.crazyrockinsushi.com/uploads/files/69812184962.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://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_off0000ad39.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAD39	10236 bytes
SHA-256: `fbb32f7e7c66a9f58a34102ad85c87310c2687a2e939ba89b2570ab10158d8b9`
`font_01_sfnt_off0000c429.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC429	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off0000dc3b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDC3B	14772 bytes
SHA-256: `2f7a0886e3f2623b09b6683350bc4c5225ff2f6a322aea6901329644082807e7`

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