MALICIOUS
282
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious Link
T1566.002 Spearphishing Attachment
T1027 Obfuscated Files or Information
The PDF contains multiple embedded URLs, with one pointing to a known malicious redirector. It also includes a link farm of other PDFs hosted on Shopify, suggesting an attempt to manipulate search engine results or distribute content broadly. The document explicitly instructs the user to disable security software and provides a password for an archive, indicating a multi-stage attack designed to bypass security controls and deliver a payload. The presence of a download button lure further supports this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 8
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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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://ttraff.ru/pify?keyword=kmspico+v4+for+office+2013 In PDF document text
- http://files.victory-ball.com/uploads/1/3/2/7/132740814/towupeduxapexe.pdfIn PDF document text
- http://files.constructionindustryhelpline.com/uploads/1/3/1/1/131164558/9892547.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/1/0437/8905/8206/files/xezoxesodejisagabez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3477/1610/files/zitemabimerikuloduxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7975/3109/files/54271457055.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4044/0471/files/47779498521.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7792/7072/files/4767567769.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9853/0202/files/astellas_logo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2060/5848/files/vosafidosiwel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8762/4344/files/faxepaxonarib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8091/6893/files/caresse_sur_l_ocean_piano_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94393320092.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7222/5442/files/40387493641.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6309/9040/files/78106129067.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_off00005ac7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AC7 | 5528 bytes |
SHA-256: 38e0266810021f470178620ef55770d95523dffbb4c613daf619fb0d0adb135b |
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font_01_sfnt_off00006d97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D97 | 10628 bytes |
SHA-256: 0c6998390ec28d42c2bd31e674f71e2ef0a31a8df938a35e9f84d0e7ad922150 |
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