MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with many URLs pointing to compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farm characteristics strongly supports its use in a spearphishing attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 https://oniceh.ru/uplcv?utm_term=wedding+fruit+cake+recipe+with+brandy+pdf PDF link annotation
- https://transport-vehicules.fr/userfiles/file/53067701309.pdfIn PDF document text
- http://parentini.it/userfiles/files/watinonupenux.pdfIn PDF document text
- http://goldenpeak.it/userfiles/files/18087921403.pdfIn PDF document text
- http://dieutrimun.myphamkangnam.vn/webroot/img/files/41474564088.pdfIn PDF document text
- http://autoscuolepintozzi.it/userfiles/files/60874932768.pdfIn PDF document text
- https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/deaed182ff95bd189acd0627bf5c104b/gezitesuxi.pdfIn PDF document text
- http://tele-klass.ru/i/upload/files/dojerunomomixibawifo.pdfIn PDF document text
- http://drsuthichai.com/userfiles/files/kitezewojesalizagoxog.pdfIn PDF document text
- http://sequirk.ie/userfiles/file/33562979125.pdfIn PDF document text
- https://www.creativetalentnetwork.com/ckfinder/userfiles/files/58545490372.pdfIn PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/08147e685a364117ea618324dcc66548/bekode.pdfIn PDF document text
- https://kemxoi.vn/app/webroot/files/images/pages/files/morurepos.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f44a56619fc---kinewafumefeme.pdfIn PDF document text
- http://stalmost.pl/userfiles/file/lajomuto.pdfIn PDF document text
- http://instant-image.net/UserFiles/Site/File/60278935839.pdfIn PDF document text
- http://chanakyaaerospacedefence.com/userfiles/file/xabepavenokijolopog.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9b075f3797---28429883285.pdfIn PDF document text
- http://vizcsap.hu/files/file/mevelapofebexuvavun.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/flaed5r6csuu9d151f5l4se3qi/xoripigetedimitetizamur.pdfIn PDF document text
- https://habibitours.com/ckfinder/userfiles/files/75323452602.pdfIn PDF document text
- http://sacmacbook.net/userfiles/file/54171260356.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_off0000d6c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6C4 | 11092 bytes |
SHA-256: ae79e9d4fdea12eeb5f771fabacac7c9709c2c4328e3f92205905f61d6064245 |
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font_01_sfnt_off0000f030.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF030 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010842.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10842 | 17428 bytes |
SHA-256: f7024f052d9409cb07dcb3cf330c51076fc37c9b61f78442836a8545c7378da0 |
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