MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as 'Pdf.Phishing.Trojan'. The document contains a link farm pointing to numerous compromised websites, likely intended to lure users into downloading further malicious content or engaging in phishing activities. The presence of multiple external URIs and a link farm on disposable hosting strongly suggests a malicious intent to distribute or redirect to harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://brette-animation.com/userfiles/file/23679703768.pdf
- http://zxpgw.com/userfiles/file/bulitofigimu.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1611368425ff14---36003108628.pdf
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/84fce31d7707bf264cb5d658af10e76c/27700254080.pdf
- https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/i1lo53np1od5kiq0a1sq2pjd1k/zuwinavore.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092ad32aa215---7396589757.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/83fccf63025af935a667014ce5a524bf/1693311261.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6b9ddc00a9---tejaret.pdf
- http://psychologyforeverybody.com/ckfinder/userfiles/files/62451192221.pdf
- https://fratellifurloni.it/file/61920439407.pdf
- http://codienlanhtrangia.com/Images_upload/files/68094748058.pdf
- https://podereilmontaleo.it/writable/public/userfiles/file/joxamafakezobavimuk.pdf
- http://momsystem.ru/public/file/43156508653.pdf
- http://havefuntogether.com/image/upload/File/nubukajipivebodigekalego.pdf
- http://urduhadith.org/survey/userfiles/files/zezovozelarimubatojojak.pdf
- http://vector-luczak.pl/new/fck_user_files/file/99036317027.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ed3fbe394---21963212690.pdf
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/5132480759.pdf
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/86nfhhag1buldriilmuola0vfu/70744255446.pdf
- http://botosani.ro/img/uploads/file/subimenufunig.pdf
- http://newworldss.com/uploads/file/15457486878.pdf
- http://tehpromyar.ru/media/file/dasitapalenujugurafo.pdf
- https://cecprint.com/images/file/migaxoxetinis.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=kalender+2018+libur+nasional+pdf
- 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_off0000daf0.bin3912ba3004cac17ed7960f839869bd034ed674803dc58933a99a16e5a5a88e7b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAF0 | 11128 bytes |
font_01_sfnt_off0000f4cd.bin4288f38e4333901e8e8d149d8615dd4172a151569eef99c6d09cdec5b6274954 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4CD | 18816 bytes |
font_02_sfnt_off0001249c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1249C | 16792 bytes |
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