MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a phishing lure. It contains embedded JavaScript, which is likely used to download and execute a second-stage payload from one of the numerous external URLs. The presence of a fake invoice lure further supports the phishing intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 8
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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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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8c0359c485---19889061387.pdf
- https://couvreur-hautdoubs.fr/internet_new/images_et_fichiers//file/91178305228.pdf
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/4279deabccf6e4c3fdffaace47af64cf/82032159977.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/d137f5b0af6ab5495edd1984aa313eda/91896016317.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160806e4d5a22c---89861646638.pdf
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a88495eab7a---ronivitejudi.pdf
- http://macabrey-luthier.fr/data/Files/merisozubilazazumezaxanob.pdf
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160c35f7da3f5b---33880002332.pdf
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c95422cf35f---genotuvibokajixokaj.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160adf018d33b5---lusasomipuzibeloki.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/486f7cdccdc18c84e111dfea00e3c629/74336523341.pdf
- https://securitydm.com/slicice/file/kufemubutafanuva.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608802d844fac---92178534273.pdf
- http://55pluscommunityspecialist.com/userfiles/files/ruzofixezosazilosa.pdf
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0c451537e---jisomatokozovikase.pdf
- https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/13e35104454692bccaf8fbfa9c3632b9/90364471513.pdf
- https://empezo.xyz/js/ckfinder/userfiles/files/tofaxonuvaga.pdf
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/87020d5df49c4bfee170106c0c6f3d88/dofejixuzatodusote.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160cee5ad5c50d---29426432262.pdf
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c97d7b35a33---kebuwigar.pdf
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/847911b8ed3f2d7a21faed242c33026b/49212702435.pdf
- http://stoewebdesign.no/userfiles/file/mimuset.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/ab9d46a00a876a66f879ad9f4e8c6310/dujifipeluduwusobuf.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=1+m3+natural+gas+to+kwh
- 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_off0000f79f.bin41d9461941e4857fdb09c5c3db44dba0dcf794add72955b3883647ab74687122 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF79F | 10736 bytes |
font_01_sfnt_off00011034.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11034 | 16792 bytes |
font_02_sfnt_off00012846.bind9afd65710c0d3b79af264a1582b402f704ecbcb2f5cd97c0d14ff55ddcfbb69 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12846 | 17992 bytes |
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