MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF identified as a phishing and advance-fee scam lure. It contains numerous links to external PDF files hosted on compromised websites, suggesting a link farm designed to distribute malicious content. While no scripts were explicitly extracted, the PDF structure and heuristic firings strongly indicate a phishing attempt to defraud users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1609207ea6fe4f---mafekenesafazitomop.pdf
- https://myupfield.link/wp-content/plugins/super-forms/uploads/php/files/l1rpmkt4d1p0v5d14otqbo3sub/dunop.pdf
- http://china-engine.net/ckfinder/userfiles/files/malusixosonakefel.pdf
- https://asharfilalkulfi.com/ckfinder/userfiles/files/juwonufowevulazawukaxaju.pdf
- https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/0b48781967f6949525d49b4e86347dae/zibutesasakid.pdf
- http://tks-forever.com/upload/2021/06/18/file/47956974287.pdf
- http://abwrva.com/uploads/files/21518834991.pdf
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/bdc3e9e66116affcae4c09e5fd9bb19e/1819572261.pdf
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eea15b5b43---risifi.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c46c1b5c2fa---xuvetuli.pdf
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d6a38926ff6---24919784956.pdf
- https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/c41d6c61835ee1a045a3d8a6339821eb/3693296301.pdf
- http://taborcapitalpayment.com/clients/d/d0/d0a3925ee25d0adc8806453b18bccccc/File/godumabobajur.pdf
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/6emvlk473o07e40p34m1epa3dbp1d3s1/7398173112.pdf
- https://skvacations.com/userfiles/file/vitoduzezuzulidatesu.pdf
- http://raisemoneyonline.org/clients/6/69/691275cf9a36cab982b2498ebdc715be/File/94790114531.pdf
- https://aeternoplanning.com/ckfinder/userfiles/files/82902785621.pdf
- https://couvreur-hautdoubs.fr/internet_new/images_et_fichiers//file/nowibasovufibuxi.pdf
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/1ec8cffc4c8c59196dd74b4a052328ae/49179690577.pdf
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fdcf918153---16332056053.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd4d1ce1f7---16501979456.pdf
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609307a6e924c---nowotozisuj.pdf
- https://hsse.cl/files/gapij.pdf
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607b41f1c6253---51531195617.pdf
- http://mbcasc.net/imgs/file/bonevirobegolowuxuxe.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=gamma+to+impedance
- 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_off0000e640.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE640 | 16792 bytes |
font_01_sfnt_off0000fe52.binb68317b2688bc545ac630f8dd57842bbfd7e3f76a1a81881cefe9d37f8536455 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE52 | 17440 bytes |
font_02_sfnt_off00012c64.binb180285a7174a04bd1ab5216d67b1fe3a72989f5eb167f3ba72ba1efe087693c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C64 | 10400 bytes |
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