MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic indicating it's a malicious redirector, pointing to a URL associated with known malicious infrastructure. It also exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on Shopify. The document body, though heavily obfuscated, contains a URL that appears to be part of the lure. The primary attack pattern involves tricking users into clicking a malicious link disguised as educational content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://ttraff.ru/pify?keyword=jawahar+navodaya+vidyalaya+omr+sheet+pdf+2019 In PDF document text
- http://rupoxep.verycoolgiftbaskets.com/uploads/1/3/2/8/132814930/kakidurolaka.pdfIn PDF document text
- http://sozasiz.samtoth.com/uploads/1/3/2/7/132710712/dawipinelomeje.pdfIn PDF document text
- http://files.gateaumarche.com/uploads/1/3/0/9/130969499/5690647.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0952/3355/files/89879731039.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7037/1493/files/apotheosis_mod_minecraft.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0056/9753/files/keto_diet_foods_list_for_beginners.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5082/6919/files/74002115162.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/3337/5399/files/33487257546.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8665/2316/files/22396047152.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1222/7225/files/xonizoxovujuzo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7883/4583/files/bamadaxuvotukaroxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9409/7576/files/clinical_infectious_disease_david_schlossberg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9550/4536/files/66286880480.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9838/3260/files/85234466117.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9986/4734/files/77437997614.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9661/2768/files/doxoko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gejazopemovaro.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_off00006bd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BD4 | 6008 bytes |
SHA-256: 139affa65e7fe1e0d51199bc69cecefea9efd5fad196a140c845903c40ae6c21 |
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font_01_sfnt_off0000803d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x803D | 10100 bytes |
SHA-256: 22df204dbaf0b02e8ec8737ea04ac5925cef42c269c582387a4fa3471e79c366 |
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