MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a malicious redirector URL, disguised as a school supply list. The ML classifier strongly indicated maliciousness. The primary malicious IOC is the redirector URL which is designed to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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://gettraff.ru/pify?keyword=st+joseph+school+district+school+supply+list In PDF document text
- http://files.nanba-ryu.com/uploads/1/3/1/1/131163854/2209352.pdfIn PDF document text
- http://tofemire.austinmichaelgage.com/uploads/1/3/1/4/131406925/vavupon-geriwu-tebakale.pdfIn PDF document text
- http://razaxerol.arco-vienna.at/uploads/1/3/0/7/130775476/083a1673941998.pdfIn PDF document text
- https://site-1042922.mozfiles.com/files/1042922/kivumekufexulanoziz.pdfIn PDF document text
- https://site-1039417.mozfiles.com/files/1039417/rovavaminifipu.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/66b3a969-e0e3-4b11-92b5-f1c5ab649d95/tigefi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d4897cfb-136e-4128-9b72-ef853e6f660b/28940175257.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7696ad63-0aab-4979-9111-eaaf25472fb9/kajufanon.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ae1c24c-ef48-4246-ba4f-d9c4f2878704/pimefemivulubolo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/10598ad5-0b83-47dd-afc7-59e4f6bb5193/tenonalem.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d58ad0f4-a08a-4f17-b800-76272642901a/jovibaxagokagajemumegaxi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c1535430-5ea7-4d42-b281-c41017205ad0/89147432635.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_off0000476c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x476C | 5232 bytes |
SHA-256: 3e584efa4eec14e0d5d68249a9fef5b514f781bda1f97de8065cace5ec0d62cb |
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font_01_sfnt_off0000593e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x593E | 10296 bytes |
SHA-256: 5929cf341e9b3d886bbea58616fae3aaa64a99aad3e03b120e38289fbcef46c6 |
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