MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to redirector domains, including a critical finding of a malicious redirector at 'https://cctraff.ru/123?utm_term=metro+multifamily+housing+association'. The document body, though heavily obfuscated, contains text related to 'Metro multifamily housing association', suggesting a lure. The presence of multiple embedded links and the ML classifier's high confidence score indicate a malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://cctraff.ru/123?utm_term=metro+multifamily+housing+association In PDF document text
- https://xibogunef.weebly.com/uploads/1/3/1/3/131398295/talunebujazuxinubuk.pdfIn PDF document text
- https://tozafutesaf.weebly.com/uploads/1/3/4/9/134900259/8878630.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/6da960b9-060b-419d-bd61-81c9f561d21b/bexike.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/82f3e55c-4f40-41be-be30-3c4695db6687/mabidakedawifojelarezofas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7ad20b75-9e28-4c1c-aa5d-31130dc21028/holt_psychology_principles_in_practice.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0746d353-49a6-4ccb-99db-86856a9e6fb0/84638246566.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/37966401-19ac-402a-9a5e-8f747897bc6b/xaxiteguritafewukobatu.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc5b413ff13940aa260656e/t/5fc9e8c9be6684539ded748b/1607067849784/anger_of_stick_4_mod_apk_an1._com.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/75a2f558-308e-4527-b7f7-a33fd1f78ee3/phobia_of_frogs_meaning.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f6c4d3da-098e-42a1-90a9-f475db02888b/viveditumonovuwilogavul.pdfIn PDF document text
- https://s3.amazonaws.com/fatisake/pudekurofakovalesara.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc052d83dfdd95b60d21819/t/5fc6c272b7521d608a2e9515/1606861436124/libro_el_arte_de_la_guerra_frases.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc67c172e34347c706ae803/t/5fd059d4cb6bfe602c4e3dbe/1607490004525/rply_anonymous_message_for_snapchat_android.pdfIn PDF document text
- https://s3.amazonaws.com/sugosubexez/carbonate_rocks_classification.pdfIn PDF document text
- https://static1.squarespace.com/static/5fce7a3f71026b035386f77c/t/5fd1b34dc10336458b357788/1607578446114/love_to_the_moon_and_back_necklace.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dbd71f92-c87c-404e-8d8f-55d496d52b3f/73306756490.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_off0000c521.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC521 | 5404 bytes |
SHA-256: f7aa22e54f33260595d769b04b4c9cff5537f3d6f5589b7b689a5262a7bf6730 |
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font_01_sfnt_off0000d769.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD769 | 10896 bytes |
SHA-256: 5113edb6c6836c9f613539ed6e9eb44058d909ef93629e7d7d58c83ada664f06 |
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