MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. One URL, 'https://irlanc.ru/uplcv?utm_term=install+ios+app+on+android', specifically attempts to trick users into downloading an application, likely a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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 link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://irlanc.ru/uplcv?utm_term=install+ios+app+on+android PDF link annotation
- http://noithatdangcap.vn/app/webroot/uploads/files/29849685140.pdfIn PDF document text
- https://hotnews.md/upload/userfiles/files/31024687370.pdfIn PDF document text
- https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/49997929913.pdfIn PDF document text
- https://mingyi-lock.com/data/file/userfiles/files/59770850167.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/pob3oosfo04ouprnmsnc3rilp7/lifozuwoduvoluzojajowozeb.pdfIn PDF document text
- https://bcm.es/files/galeria/files/74213713914.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/849a33caf38e3d6554a12be65c292166/wodokasixudazevuva.pdfIn PDF document text
- http://bertrandetgastineaudesigners.fr/userfiles/file/jisolovepotupadu.pdfIn PDF document text
- http://studiogiamberardino.it/userfiles/files/54164046239.pdfIn PDF document text
- https://thefencedocumentary.com/adminfiles/file/21053003271.pdfIn PDF document text
- https://serwisnawigacji.pl/userfiles/file/xefidovugivuliriduzan.pdfIn PDF document text
- http://zrdb-drogbud.pl/Upload/file/xixuwanipexusoxidixar.pdfIn PDF document text
- http://stoka-saarlouis.de/userfiles/file/67685951377.pdfIn PDF document text
- http://reklama-v-sochi.com/ckfinder/userfiles/files/xojezebub.pdfIn PDF document text
- http://ltmetal.com/userfiles/files/11715004703.pdfIn PDF document text
- https://cobrawire.com/userfiles/files/sigejunebon.pdfIn PDF document text
- http://hanboo.cn/Uploads/file/2021090609501170554.pdfIn PDF document text
- https://lengthening-sldf.com/userfiles/file/88883392023.pdfIn PDF document text
- http://jlicentral.com/images/authors/file/92220480888.pdfIn PDF document text
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/166d5b05ebbcd3d196f71d9d99bab31b/48159020487.pdfIn PDF document text
- http://stardentalcare.org/userfiles/file/22798498656.pdfIn PDF document text
- http://vasekurzy.cz/userfiles/file/5965644940.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_off0000e4c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4C2 | 18860 bytes |
SHA-256: 6731ecb786b17b66bead644be52f7cf31991b24e8e7fc960fbceb6482fe10659 |
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font_01_sfnt_off00011529.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11529 | 10204 bytes |
SHA-256: a401fadbb9f58a9ff9763a14569fffbea851a6972c14c4d90b1cb1b5ea5265bc |
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font_02_sfnt_off00012c19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C19 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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