MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to potentially compromised or disposable hosting. The presence of numerous PDF links and the 'utm_term_redirector' flag suggest an attempt to direct users to external, potentially harmful, websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://cupanghitam.com/contents/files/fetobabadevisazekujujop.pdf In PDF document text
- http://corse.annuaire-regional.com/ckfinder/userfiles/files/puvivonoras.pdfIn PDF document text
- http://www.naturhalles.fr/fckeditor/userfiles/file/82383363587.pdfIn PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/8b34f36060e3f3605e57e8919cced8fb/46864670849.pdfIn PDF document text
- http://glamour-nsk.ru/ckfinder/userfiles/files/wolugabijugavezixekerabar.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16145bcee2d695---97195380716.pdfIn PDF document text
- https://asiapharma.la/files/files/27697879780.pdfIn PDF document text
- https://sevenhillsgroup.net/ckfinder/userfiles/files/bujipoke.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/25199513242.pdfIn PDF document text
- https://leuphuotcamap.com/uploads/image/files/59148759959.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135dca6484cc---84742741018.pdfIn PDF document text
- http://debeight.net/UserFiles/File/binar.pdfIn PDF document text
- http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/xaturikosodub.pdfIn PDF document text
- http://aliguoriarchitetto.eu/userfiles/files/24415928941.pdfIn PDF document text
- https://narellesastro.com/userfiles/files/furonozumepi.pdfIn PDF document text
- http://hcm-invoice.vn/hinhanh_fckeditor/file/beperapolotoji.pdfIn PDF document text
- https://epiphanych.com/images/file/pexebeb.pdfIn PDF document text
- https://mexico-airport-transfers.com/ckfinder/userfiles/files/47879412881.pdfIn PDF document text
- http://rollfactorytogo.com/uploads/files/wunid.pdfIn PDF document text
- http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/lawakumunodovirowasur.pdfIn PDF document text
- http://doktor-okonski.pl/uploadimg/file/86599642252.pdfIn PDF document text
- http://kleiberit.ru/files/file/72646205979.pdfIn PDF document text
- http://cukiernia.eu/upload/files/2083740.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=vice+city+cheater+for+androidPDF link annotation
- 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_off0000bfe8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFE8 | 16300 bytes |
SHA-256: 14c0cded6544042c9f91864ff9a5cbfa93aad0e9361cdf0430b1d23e44e082a3 |
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font_01_sfnt_off0000e9af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000101c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101C6 | 10440 bytes |
SHA-256: 353db89b0d9f228878adc36ca6e29ff3d09eb8d97e9110f96258a4b19a324aee |
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