MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document exhibits characteristics of an advance-fee scam, using lures related to lotteries, prizes, and parcel delivery to trick users. Multiple heuristics indicate the document is a link farm pointing to compromised WordPress upload directories, likely serving as a distribution point for malicious files. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 8
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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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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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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://krisoc.ru/uplcv?utm_term=gs+score+history+optional+printed+notes
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/16090c7637cef8---21929637327.pdf
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/c6d2mlacvg7rggotk9u7qtnhgm/93299355828.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095a9f9cd3dc---gifejivaxepezijirukus.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160944e04148d2---birirapiwe.pdf
- http://ledins.lv/cms/file/59219089170.pdf
- http://marinapogon.pl/upload/file/garekadinigixitedebalumo.pdf
- http://cherishedmomentphotos.com/clients/8/84/84fe84b553acfcd191e166b7401b6f02/File/zoxezetazemova.pdf
- https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/e9166cca8c216b56af71f56dfc0acf8c/vezitozo.pdf
- https://myphi.biz/nbloom/fckuploads/file/dotobibatidutakamu.pdf
- http://la-klamm.org/userfiles/file/19774448042.pdf
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2c06a0ff3---92059262899.pdf
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/85a1e20215fec81920a2b051147e636c/67842426180.pdf
- http://evpltravel.com/xv_image/file/wijisugil.pdf
- https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/8e44180da55592b0287455fed322e3b2/fugebasivi.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608a79bd782e9---fifiwupimotobej.pdf
- http://bularz-auto.pl/images/userfiles/file/fisajejax.pdf
- http://biomassasia.net/data_ed/userfiles/file/3178386328.pdf
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b29f6333ee8---sikikovujunawoka.pdf
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/s91q29n55u4vge7ipe5606n1hr/81510829860.pdf
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609d4141e70bb---19741350749.pdf
- http://comp-art.ru/userfiles/file/78724373223.pdf
- http://s292376414.onlinehome.fr/datas/imgmail/file/togibodazuwu.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_off00013f21.bin7a3dd83d051e2f83bfc32a1a55c174a695dff332f621607d23e38933f27d6afd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F21 | 21044 bytes |
font_01_sfnt_off00017718.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17718 | 16792 bytes |
font_02_sfnt_off00018f2f.bin2c6fddf32d78b54ec27ca6fc9b5868e5cee0e04d4ee90fea9d0630a2ae7b5ece |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18F2F | 10764 bytes |
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