MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised or disposable hosting. The heuristics indicate the document functions as a link farm, likely to redirect users to malicious sites or for SEO manipulation. The ML classifier strongly suggests malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9558
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://huntic.ru/uplcv?utm_term=film+roll+pro+apk
- http://scsytech.com/upload/files/kadatiposovebuvefo.pdf
- http://bankerz.in/qpic/files/sefodarapadegef.pdf
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cd771e7f45---62402919928.pdf
- http://vangphutai.com/images/uploads/files/wamumav.pdf
- http://emanuelarombiarchitetto.eu/userfiles/files/59374999853.pdf
- http://4998horo.gmmwireless.com/contents/files/75664508005.pdf
- https://tortugafilms.ca/adminfiles/file/12112283075.pdf
- http://yibetter.com/data/files/busopuledobifixa.pdf
- http://28777886.com/Lpf/UPFILE/userfiles/files/13860478566.pdf
- http://baoveantam.info/upload/files/zigevidezidajusutawujo.pdf
- http://nbnjl.com/userfiles/files/50913079714.pdf
- https://www.totspotdaynursery.co.uk/ckfinder/userfiles/files/favigegoka.pdf
- http://cbcom.fr/ressource/site-image/files/tafezimamenamune.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16144682d61d9c---siraponeliviwajelageboz.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161314ce82248e---zuwosiw.pdf
- https://topconta.ro/userfiles/file/65358108800.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/3t7qcejb9s6dqsph3rqfif9rs7/moramu.pdf
- http://gaishachuukobuhin.com/js/upload/files/44366979422.pdf
- http://vxclouds.com/userfiles/file/55700580594.pdf
- http://surveycook.com/upload/tmp/202109/file/susexefidurixupuku.pdf
- http://greenglobepms.com/uploads/galozobitux.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614511e0c27ad---xifag.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613147947749f---28954235661.pdf
- http://studioriboldi.eu/userfiles/files/wesogefuwitidetuzirujiso.pdf
- http://naturestuff.nl/siteimages/file/56898760001.pdf
- http://www.oteliapelsin.ru/ckfinder/userfiles/files/zebibagemewisav.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d4e6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4E6 | 16792 bytes |
font_01_sfnt_off0000ecf3.binef4c56b83544acc0eae329b123dcb13384a4443b8ee25b6b011fcec9f25c534c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF3 | 1820 bytes |
font_02_sfnt_off0000f579.bine828c1edb73e359127246f53a3798407a245cf1c51766d52b03f5d4d56d99eeb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF579 | 21564 bytes |
font_03_sfnt_off00012cce.bina6a55b2b6f32a15041a45e78fed59323d1abf10ccc3e27de3c46d35ed9623ac0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CCE | 9980 bytes |
font_04_sfnt_off000142c1.binc0217721a1102ad1f8a8ff5461faadb02f26a3634bfe128d67f68b25b112ee8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142C1 | 16180 bytes |
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