MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous other PDF files, many hosted on compromised WordPress sites. This structure is indicative of a phishing or malware distribution campaign, where the initial PDF serves as a lure to download further malicious content. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://infunplastic.com/d/files/65217993335.pdf In PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/2ssadqru6v0e27lqcli1sk31a1/5928869238.pdfIn PDF document text
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/a58840b38745b12cb4cb4df28bc7e0a6/26464225903.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/e9a25f9c039a25116593f0f516c30e82/popuvowufuzojakoloratifa.pdfIn PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/3cf5cr413t2dk927qt2erg9cr9/4142685320.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/durelopeduwidobewe.pdfIn PDF document text
- https://seerupit.dk/assens/file/27467843691.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/907sa6jtvp6oc1jk7b8mttlir0/89617056247.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f011f1a97---6683053308.pdfIn PDF document text
- http://jagodkaprzedszkole.pl/userfiles/file/26687771066.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/oo53tnfct5ogfukjbsduie9dq7/sabewaxuduvofuwaxog.pdfIn PDF document text
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607d948d32b8c---xepugef.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608af0e0ab2eb---narejuxe.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/94f95ba1fe70678b0cd8f9ed0772be05/50642703800.pdfIn PDF document text
- http://pkynfe.net/userfiles/file/85893944480.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4b16065a82---70388530211.pdfIn PDF document text
- http://mastera-mix.ru/ckfinder/userfiles/files/24711700143.pdfIn PDF document text
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607da0ff17d42---1652733931.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607f71aa6437b---33067709122.pdfIn PDF document text
- http://jevades.com/aircraft/fckimages/file/24517299124.pdfIn PDF document text
- http://leadershipcareer.kr/fckeditor/_upload/file/xugetijofititunojigeroral.pdfIn PDF document text
- http://learningkey.org/userfiles/lunereni.pdfIn PDF document text
- https://pnp-studio.com/fckeditorfiles/file/35674823866.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=what+to+study+to+become+a+clinical+psychologistPDF link annotation
- 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_off0000e66e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE66E | 16356 bytes |
SHA-256: e5403f496f2fc5af2826f3c2b1e5c92e3ed338054c91dab3562f434a7034dcc0 |
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font_01_sfnt_off00011119.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11119 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012930.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12930 | 11208 bytes |
SHA-256: 7d3eab9ac9134ab56bdda5c1a5127d7df9ada622e76350b13b123cc5d5b56a7f |
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