MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting. The ML classifier strongly indicated maliciousness, and the presence of a link farm suggests an attempt to direct users to malicious content or phishing sites. While no scripts were extracted, the structure and URL distribution are indicative of a malicious campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
Heuristics 5
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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://ceral.pl/ceral/pliki/file/9839781054.pdf In PDF document text
- http://dlikefulproductions.com/clients/875850/File/tusutinorejisisifis.pdfIn PDF document text
- http://changwontour.kr/FileData/ckfinder/files/20210709_9AF9180440E35B73.pdfIn PDF document text
- http://salsainkonstanz.de/media/files/mojojikaxitepuvejuwi.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b6046bc3510---xufevukuvalesafazilif.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/39028953547.pdfIn PDF document text
- http://homeopathyhongkong.org/files/139145192.pdfIn PDF document text
- http://a-kamen.com/userfiles/file/xofajirowasifijadu.pdfIn PDF document text
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/5cgsjsa07rfkavf1h9h88cm8k5/wejatapu.pdfIn PDF document text
- https://mclandpin.com/calisma2/files/uploads/24837502817.pdfIn PDF document text
- https://ajitcoatings.com/uploads/pebobexitofedinog.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/8d305f1997b8341756a38d12e8d27743/8117826366.pdfIn PDF document text
- https://semagro-msw.ru/pics/images/file/jokiwemijavi.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c795ca9a544---62792836454.pdfIn PDF document text
- http://ahs1966.net/clients/f/f9/f93f52488d971b5f2372adc2bdb16541/File/86340994259.pdfIn PDF document text
- https://aznamaste.com/ckfinder/userfiles/files/nimuzevomexarigizel.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16080db3cc650e---39950297932.pdfIn PDF document text
- https://gw21.ch/uploads/userfiles/file/19664143183.pdfIn PDF document text
- https://aristi-trap.com/upload/users/files/fegajap.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/v46at1kb4fbg5ghdsgk37esrv3/70305993552.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1607620a6c5407---35048984568.pdfIn PDF document text
- http://konstruktor33.ru/app/webroot/files/files/43089643594.pdfIn PDF document text
- http://shsclassof1970.org/clients/872719/File/88804379954.pdfIn PDF document text
- http://teusz.pl/UserFiles/file/lasewirokufijapewab.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=the+phoenix+project+pdf+fullPDF 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_off0000f4a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4A6 | 17536 bytes |
SHA-256: 87c1e4bbd330276044552b5643b6c4e87384eb15de7ea1fbf752be0d5f7a1905 |
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font_01_sfnt_off0001225d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1225D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013a74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A74 | 10684 bytes |
SHA-256: 8ee96f31759c1511963f5354ecd411666f3c1177426c63574f3aa81c09c453fa |
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