MALICIOUS
272
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document acts as a link farm, directing users to various external URLs, one of which is identified as a malicious redirector. The document's content, though heavily obfuscated, appears to be a lure related to 'Osceola county iowa warrants', likely intended to trick users into clicking malicious links. The presence of numerous external links and the identification of a malicious redirector strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 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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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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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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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://crophysi.ru/wix?keyword=osceola+county+iowa+warrants In PDF document text
- https://cdn-cms.f-static.net/uploads/4375342/normal_5fdbc7aec169e.pdfIn PDF document text
- http://instgrmmverifiedbadge.com/the_crown_season_5_episode_7_castf3bqy.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374373/normal_5fd1d1262232e.pdfIn PDF document text
- https://vavetoros.weebly.com/uploads/1/3/4/8/134854671/novime.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450248/normal_600d0b5d028a6.pdfIn PDF document text
- https://jobadenel.weebly.com/uploads/1/3/1/1/131164033/sogobop_napipuzed_xowono_geniboxinereg.pdfIn PDF document text
- http://form-lnstagramverificationbadge.com/3313798339457l8e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370996/normal_600c8c5d99a55.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459326/normal_5fff3056850bb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474449/normal_5fdb320f617ca.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474978/normal_6010db7b4c1d9.pdfIn PDF document text
- http://leqqurint.online/20852190779x0spk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470223/normal_60106ce0a7647.pdfIn PDF document text
- http://justiciaforjustice.com/17136806634j883m.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000db7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB7B | 5012 bytes |
SHA-256: 341976a9b7fc05d1ce15dd45a69aa45d5dc396c3f2b1313fd26e2e0bc5eb0c6b |
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font_01_sfnt_off0000ecae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECAE | 10528 bytes |
SHA-256: eaff15b317a5d51a135ace294daeae2d3ad1ad3c9884684df7f16435133ee68e |
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