MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple heuristics indicating a phishing and advance-fee scam, including links to algorithmically generated URLs and a lure for a lottery or parcel delivery scam. The ML classifier also flagged the document with high confidence. The presence of embedded URLs suggests an attempt to redirect the user to download a malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 8
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://mekongtransport.com/upload/userfiles/files/68063317051.pdf
- http://4998horo.gmmwireless.com/contents/files/73380986629.pdf
- http://lamgi.pl/ckfinder/userfiles/files/12867553071.pdf
- http://eg-connect.com/php_codes/Scott/VieauAssociates/code/userfiles/file/nolajerav.pdf
- http://jamones-luna.shopcloud.es/ckfinder/userfiles/files/ruzuxegalumuvugalesim.pdf
- http://peggylittlelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zivom.pdf
- https://stepweystudy.com/ckfinder/userfiles/files/1199692530.pdf
- http://asbufestival.com/uploads/FCK_files/file/panexuzoxowomanun.pdf
- http://a1-automotivegroup.com/upload/files/dejirezanofujaxes.pdf
- https://guclupin.com/calisma2/files/uploads/sasuvewisalapuf.pdf
- http://ei-windykacja.pl/upload/file/43456469888.pdf
- http://gcsiva.com/files/userfiles/file/zasamoredapovikapovasa.pdf
- http://teewer.mn/ckfinder/userfiles/files/66457811565.pdf
- http://fence-alarm.com/userfiles/files/53928022947.pdf
- http://zelene-centrum.cz/webpagebuilder/ckfinder/userfiles/files/86962497303.pdf
- http://volkshilfe-vlbg.at/images/content/files/44858174855.pdf
- https://ambulatorioveterinariosismondi.eu/file/22500543013.pdf
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161307666e36e3---redatopokelozixedaze.pdf
- http://creptiles.dk/userfiles/file/navatatupijanap.pdf
- http://phuongdonggolf.vn/app/webroot/uploads/files/42630075664.pdf
- http://ekorob.pl/userfiles/file/77777214329.pdf
- https://xtrafitcoaching.com/www/images/files/32527348077.pdf
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161474ae4d69af---dinufawasuze.pdf
- http://ricettebiagi.it/uploads/assets/file/72235039372.pdf
- https://accesoriosalmayor.com/images/userfiles/file/dozanekupovizuxefinowife.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=pusoy+kk+chinese+mod+apk
- 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_off0000d82a.bina63424bebe5cc3a5f398724dacb045545473e046118330586a27e088ac012e97 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD82A | 19660 bytes |
font_01_sfnt_off00010be7.bin0dc81c69c1aedc1d290dd85e3dd9de809bf2d59b376e18fb31a3fbec2ca59a11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BE7 | 10840 bytes |
font_02_sfnt_off000124d2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124D2 | 16792 bytes |
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