MALICIOUS
294
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
T1071.001 Web Protocols
This PDF file is identified as malicious due to its use of a link farm and a redirector pointing to a PayPal credential phishing lure. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, and the heuristics indicate it's designed to impersonate PayPal to steal user credentials. The embedded links and the ML classifier strongly support a phishing attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://tidukefawa.weebly.com/uploads/1/3/4/8/134851120/1390452.pdf.
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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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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://ggtraff.ru/123?utm_term=daily+routine+essay+in+present+indefinite+tense In PDF document text
- https://tidukefawa.weebly.com/uploads/1/3/4/8/134851120/1390452.pdfIn PDF document text
- https://cdn.sqhk.co/suwenadikum/njh2ijy/x_screen_recorder.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381287/normal_5f95c03a314ff.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445890/normal_5fdbb307489fd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450240/normal_5fc98b2eb1bac.pdfIn PDF document text
- https://site-1184137.mozfiles.com/files/1184137/arman_alif_new_song_2019_free.pdfIn PDF document text
- https://site-1195137.mozfiles.com/files/1195137/60863371163.pdfIn PDF document text
- https://lipowuripipu.weebly.com/uploads/1/3/1/3/131378852/niredunoz.pdfIn PDF document text
- https://cdn.sqhk.co/fujalapevame/O9Thbjc/lekatofawosapovepepux.pdfIn PDF document text
- https://site-1177680.mozfiles.com/files/1177680/zombie_siege_last_civilization_hack.pdfIn PDF document text
- https://site-1174993.mozfiles.com/files/1174993/tumblr_wallpaper_for_phone.pdfIn PDF document text
- https://site-1166621.mozfiles.com/files/1166621/7918851581.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/fedufiporara/17098171754.pdfIn PDF document text
- https://s3.amazonaws.com/kumasala/bsc_agriculture_colleges_online_form.pdfIn PDF document text
- https://s3.amazonaws.com/kudowo/audacity_free_32_bit.pdfIn PDF document text
- https://s3.amazonaws.com/kavugusepe/aashiqui_video_song_free.pdfIn PDF document text
- https://s3.amazonaws.com/vebenok/13112366009.pdfIn PDF document text
- https://s3.amazonaws.com/wazorixekunafob/98093044477.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d51e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD51E | 5136 bytes |
SHA-256: eda5d3e5502a461dc5fe4f298981d1f5af56ad27b3e1e5d45a44c7a975786aa0 |
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font_01_sfnt_off0000e6b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6B9 | 10556 bytes |
SHA-256: c5ead25d6d0d934bf962375a924795f8588d2467b27575c0d04854cefff33b50 |
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