MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains a large number of links, many pointing to compromised WordPress sites hosting other PDF files. This behavior is indicative of a link farm designed to distribute malicious content or lead users to phishing pages. The ML classifier and ClamAV detection strongly support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd4660c170---68614719718.pdf
- https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/c29f4daa8ff3ffcb7d7db495b7b6f843/66807003505.pdf
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4fa289016---tegineledegevaxi.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609e099e0d8cc---rosuwigewetuvuxakeso.pdf
- http://dogoducthien.com/uploads/files/sokuwebarag.pdf
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b873cb19e3f---37865272109.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c871c9ec7---84936037638.pdf
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/9aba03b67e5bd52e25ea10c8e8c2a022/91912109227.pdf
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/bc9b4e9962f5ac87137ee1a9e9f97554/93218485854.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b57487aa66f---88441846422.pdf
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a58ff698a54---fetanevorimuvapaxob.pdf
- https://lawrenceyezersky.com/userfiles/file/peguxofenesodexuwikimofar.pdf
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/2291df10975b4d2b71f328d49de22463/279103982.pdf
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/33e5f819c01ca8480de66dad9f041c3c/20190801154.pdf
- http://jfhcoaching.com/userfiles/files/57987409308.pdf
- http://esejsc.com/upload/files/kedofufadedugijotawezog.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/b166bd1df32bdff8f9573c30ca19b614/nuvexatokavope.pdf
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160be245c7cd01---1108818970.pdf
- http://nuestratierrapremios.com/campannas/file/lupugetutegezusenopeb.pdf
- http://banglatalkies.com/dynamic-images/cms/file/49888713521.pdf
- https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/0f44e0b56e4bcdb9f2e6549bf189a85f/vufamazexe.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe3655e107---sejajusawibopeve.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=removing+cosigner+from+student+loan
- 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_off0000e870.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE870 | 16792 bytes |
font_01_sfnt_off00010087.bin1d771177f3aa76b48794255a91289c9ab10360a14c8f4d84354b4c2b32bfd482 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10087 | 11028 bytes |
font_02_sfnt_off00011a00.bin3739fa0248260ba821d38866fdd9e6b035fb8d2135621d4b014b96d66f32288c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A00 | 16776 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.