MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV specifically identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs point to compromised CMS upload directories and disposable hosting, indicating a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, suggesting an attempt to hide its malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://mauspro.net/upload/files/gigek.pdf
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/edae6d7acbc858d46fd399d3deeab368/dulowedod.pdf
- https://secolink.sk/userfiles/file/zipolujodakitago.pdf
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c44722d3e3a---milomumumexujajaxapikidi.pdf
- http://historia-bfured.hu/userfiles/file/bemivosafomuxujojajanujid.pdf
- http://files.ibiza-ferien.de/file/64866454747.pdf
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/7e30b86881898aeea333b4c1b7090bb0/zexubujazigada.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/15e244ccef60a1f014950f33600c51f7/betese.pdf
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/6fp43qkltqdms3lmesb1o327uv/dilevijofazo.pdf
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608fe8785361f---94305218233.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077570382946---48896224919.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/qs3kr34cs3dc0nlnjkgearkdj7/11626506600.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160c0d541227f4---94965079869.pdf
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/aa12221e60f83a90bd027b3b99181edd/68921255423.pdf
- https://elnativocoffee.com/silver/upload/files/gameramo.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d43de8d1827---fozopuvuxeligobarazipoxol.pdf
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/05e5e67c4615b590f5c593bc2a15697d/45401811141.pdf
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/98jscdcdhm9f2u8i56u7i2bcjl/dotegozesuwomiteni.pdf
- http://womenwhorockarkansas.com/clients/4/4c/4cfcdabbb7b8ad81bafe9a4295858145/File/xexewega.pdf
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/5bdc040aesbtdv1afg3v5avojb/nowol.pdf
- https://traveletrust.com/basefile/traveletrustcom/files/temafugaxepewatijasumiton.pdf
- http://ajtoablakcentrum.com/_user/file/56672748189.pdf
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f65e5b8523---kikokapopozadopukolax.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=how+long+does+it+take+to+get+criminal+background+check+results
- 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_off0000e557.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE557 | 16792 bytes |
font_01_sfnt_off0000fd69.bind505aa305e2cf1b67c2796267cb96ed187bedc4ee4f0e18f26d82e6622f25a2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD69 | 16280 bytes |
font_02_sfnt_off0001278b.bin3aab994eff2c7e9b61b87c2b90f86200deb6ac88e6dc61feeab04fcd00a4b391 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1278B | 11224 bytes |
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