MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to a known malicious URL, identified as a redirector for SEO-based phishing. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. The presence of multiple links and the ML classifier's high confidence score indicate a malicious intent to direct users to harmful content, likely for credential harvesting or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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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=shortcut+to+protect+sheet+in+excel In PDF document text
- http://files.uptownpizzachicago.com/uploads/1/3/1/4/131454850/mujaxijuweve_janotafixuna_fanunarezama.pdfIn PDF document text
- http://files.mindfulserenityonline.com/uploads/1/3/0/8/130874629/pezozulaleku.pdfIn PDF document text
- http://files.cougarthreads.com/uploads/1/3/1/3/131398362/zoroselilulefez.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0434/4433/8838/files/loxujaxetajetuvafara.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5296/5792/files/binewojelotegumu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/4459/1000/files/liduwotifudubijifudamokez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9672/7957/files/buat_email_gmail_di_android.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5217/0392/files/fobupixo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7950/6847/files/33032440384.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6246/8514/files/vutudojefozijiwimu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8211/3433/files/infix_to_postfix_c_example.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6697/3589/files/86214537192.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8236/6629/files/instrumentation_control_data_acquisition_and_processing_with_matlab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/1834/8712/files/10331483684.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000099c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99C9 | 4864 bytes |
SHA-256: 3cd11e08ce5b61f10ea54dfdd8bb802fc4d8d263fec619da0ad07c8d7cca6ce8 |
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font_01_sfnt_off0000aa43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA43 | 1800 bytes |
SHA-256: a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620 |
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font_02_sfnt_off0000b2d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2D0 | 12396 bytes |
SHA-256: c0e6cd614d611cb5b99bb1b0f4bca5af77d592467f8370532a23644aa00c95c9 |
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font_03_sfnt_off0000da74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA74 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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