MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF file contains a lure for an iOS beta profile, which is a common tactic for credential harvesting or directing users to malicious sites. The PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms that the embedded URL leads to known malicious infrastructure. The SE_MFA_LURE heuristic further suggests that the intent is to trick users into providing sensitive information, potentially related to multi-factor authentication. No scripts were extracted from this sample, but the document body and heuristics strongly indicate a phishing attack.
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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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=ios+13%252F+ipados+beta+profile In PDF document text
- http://files.higherlevelevents.co.uk/uploads/1/3/2/3/132302710/zomevekifike.pdfIn PDF document text
- http://files.aaronhosannah.com/uploads/1/3/1/4/131454151/xefer.pdfIn PDF document text
- http://files.qpamarketing.com/uploads/1/3/1/4/131413485/9832590.pdfIn PDF document text
- http://files.fieldmusicals.com/uploads/1/3/0/8/130873849/9374f5b46.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/1/0444/0319/6070/files/blueprint_english_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2269/6098/files/integral_calculus_by_shanti_narayan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/69298849274.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7442/7806/files/foxeburemikinemuluxipew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0462/8866/6785/files/zasirarem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0460/0781/2257/files/jaxuwipovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0944/0935/files/calisthenics_workout_and_diet_plan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8869/9802/files/96067847706.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5555/4458/files/zasuse.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7230/7875/files/54662552104.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0474/7168/files/9504036811.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5448/1058/files/tososelelefobulafade.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_off00006012.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6012 | 5364 bytes |
SHA-256: ce7c9742f48f1980eed7671ba3d28a65f2ecf97858a29a06be4052a0b38625e0 |
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font_01_sfnt_off0000725e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x725E | 10416 bytes |
SHA-256: ccd347bc65c361ae63bc04c9c8febb550516c6f5f95e12f9a3bd9e6fffc60c19 |
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