MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links to compromised websites and disposable hosting, suggesting a phishing or malware distribution campaign. The presence of external URI links and link farm indicators points towards an attempt to redirect users to malicious content.
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://ei-windykacja.pl/upload/file/bewojerotoparifiw.pdf
- http://www.horakgolf.cz/ckfinder/userfiles/files/nibabifekuxatujujol.pdf
- https://thinkhigh-tech.com/d/files/38585127180.pdf
- http://allseasonsbanquet.com/clients/868236/File/1867641505.pdf
- http://hawaiianhunareiki.it/file/87217326022.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/3d55f2e62c4087144a6d506b06f70a2b/56601506045.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b9934d00bea---95319274340.pdf
- https://ladangmimpi2.com/contents//files/pimunigewavujupevexuve.pdf
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160911eb047bc7---49026535496.pdf
- http://myconnect-thailand.com/image/upload/File/92075352667.pdf
- http://albertopizzetti.it/userfiles/files/jixivezofataxevaj.pdf
- http://pc75.net/upfiles/file/1622540713.pdf
- https://groupburuemas2.com/contents//files/muwapuboxinitunenudebigim.pdf
- http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/b3ut1h245s8teepfolh9nqlnn3/tozikevonekitonu.pdf
- http://debsluxe.com/clients/1/17/174397649ed9f07baa8f9d9f48c72a4d/File/pogogeginezex.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160771da483039---89134469401.pdf
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/2bc72dc5a8dd8dd38824102af13e3a5f/fofadavudofarulopa.pdf
- https://www.tanyadantus.com/wp-content/plugins/super-forms/uploads/php/files/22d7589d810bc19b96a4085ea768eedf/79990448452.pdf
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c2943e51b20---kakuparekin.pdf
- http://jlm-kg.com/uploads/file/20526327024.pdf
- http://tekizolasyon.com/ckfinder/userfiles/files/6390786447.pdf
- http://asztalosweb.hu/userfiles/file/mibelagutejajipot.pdf
- http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vugupinewabogupuf.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=french+subjunctive+worksheet+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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d673.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD673 | 16792 bytes |
font_01_sfnt_off0000ee8a.bind0978857f5ac63a07b45a96f3a6e482e6fd5bdd002d34e02bddb937298b1dea8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE8A | 11100 bytes |
font_02_sfnt_off00010824.bin864ed3a0b128f4a2d580ff94675fea2ede91cee6f19c4f1a1fe5895e74b5abe7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10824 | 18636 bytes |
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