MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristics indicating it's a link farm and a callback phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing attempt designed to trick users into calling a fraudulent number.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://myupfield.link/wp-content/plugins/super-forms/uploads/php/files/9bblfbo72e3ub034fja78gdha4/63364104736.pdf
- https://dotcomtravelegypt.com/userfiles/files/fopitejategako.pdf
- http://srividyaastrology.com/userfiles/file/52347789072.pdf
- https://scavilecis.it/userfiles/file/22533333981.pdf
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/4molvs970p75fuspiqoasuaple/waviriwijovixinunu.pdf
- http://cuboni.com/uploadfile/hong202106270303259211.pdf
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093cae8d8ce5---84861363643.pdf
- https://tcremich.lu/files/files/zojosuxate.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f749f00df5---76673879489.pdf
- http://loaamtran.vn/files/usersfiles/files/84671874431.pdf
- http://alexanderkanevskyartgallery.com/clientMedia/file/40746503916.pdf
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a99234bd4---88518473198.pdf
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/00adc0ab599ddf43004324edbf63911e/finuk.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16075d0e6c91a5---93967592830.pdf
- http://woodsfamilypride.org/clients/2/2c/2c83419adcf4927d74d3defe18342386/File/ketewekabur.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0c63ec2c25---lunuzanofuwesel.pdf
- http://olversonfamilyreunion.org/clients/5/51/51a48c89da211807e19ed56f8a1a1822/File/97491494107.pdf
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0935ddfcf---96913123386.pdf
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/3603b588592cdeeeab9732632475415b/xeronizale.pdf
- http://kaupa.cz/userfiles/file/77835162958.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607dc8d8e2879---webigibopudof.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607722aa723e6---24797117202.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+unblock+number+in+iphone
- 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_off0000e17c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE17C | 16792 bytes |
font_01_sfnt_off0000f98e.binb954d7216e00afee7169ca5fc47ec311ba4d36aaeb4b9d0936b79de5c2ccb424 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF98E | 17200 bytes |
font_02_sfnt_off0001268b.bin7ef6d32b8431c7c0976c698bc2dfb439989d59ec57f4d933f283a300ff633fb9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1268B | 10720 bytes |
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