MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable hosting, suggesting a link farm or phishing lure. The presence of embedded URLs and the nature of the heuristics point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://australiancaravancentre.com.au/application/third_party/ckfinder/userfiles/files/zurufalom.pdf
- http://onlinetalk.jp/app/webroot/img/fckfiles/file/34882283038.pdf
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/be10d07ad0a93bd4cc505dd2bc1ceb9f/biwezewilenega.pdf
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/rvr3clqovc12vikqjssflmpklg/sobusuvezegozosebezuvus.pdf
- https://mycocoa.org/images/upload/files/ronavatum.pdf
- http://kartinatv.org/uploads/files/kudodorozewoxo.pdf
- http://ramenhajimetustin.com/uploads/files/regabaxisixidatikibaligap.pdf
- https://angkaganjil.com/contents/files/xerokexabufifesa.pdf
- http://ecohouse-lab.com/userfiles/file/3045557175.pdf
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/hhbjjfha83hd962qogpmvav4b4/11545782774.pdf
- https://sitarasign.ir/data/file/3429403079.pdf
- http://surausa.com/uploads/files/66276129650.pdf
- https://www.info-service.com.tw/plugin/ckeditor/ckfinder/userfiles/files/xepozokifasojuwuzi.pdf
- https://www.traitagri-solutions-alternatives.fr/ckfinder/userfiles/files/jalujud.pdf
- https://quizai.com/uploads/files/zalidimimegif.pdf
- https://demo-calson.garment-pro.com/ckfinder/userfiles/files/32095078951.pdf
- http://mybed.tw/uploads/files/202109131626447335.pdf
- http://albino-pitti.com/pub_img/file/29514359853.pdf
- https://bmw-zona.ru/uploads/file/vumudotopewareta.pdf
- https://santaclara.com/wysiwygfiles/file/medafekedojajalo.pdf
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/f3ea40440b6069ef8e2da838585b41ec/18105857574.pdf
- https://jnnjhansi.com/userfiles/file/ruzuvekebiminu.pdf
- http://casaperugia.fr/userfiles/file/50560503480.pdf
- http://zatoodesign.com/userfiles/files/dubimupizimaguzuze.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+save+as+pdf+instead+of+print
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7c5.bin8c9e7ca6d168fb175c302be9710d01fd3a7d516dddfc19a72a2a005105e917ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7C5 | 17608 bytes |
font_01_sfnt_off00011591.bin54d8ae371a9c86e417ea243e44e84855c80cb837fe200513c9c35f79c9e25530 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11591 | 10588 bytes |
font_02_sfnt_off00012de3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DE3 | 16792 bytes |
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