MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains multiple embedded links, with one critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains references to the malicious URL and a password-protected archive lure, suggesting a multi-stage attack. The presence of a download button lure further supports the social engineering aspect of this attack.
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.com/pify?keyword=bloody+roar+3+pcsx2 In PDF document text
- http://files.utahmicroloanfund.org/uploads/1/3/0/7/130775310/gurexadudedi.pdfIn PDF document text
- http://files.meganhelm.com/uploads/1/3/0/8/130874493/8ea587e777eb.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/1/0431/6112/5013/files/34231395008.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0691/7799/files/logonixawaregejuvaxeki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1253/5958/files/werubulajiseronarotinopi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2349/0457/files/livakedorupokemetewenax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7300/2902/files/nazca_lines_mystery.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0046/1474/files/psychological_theories_of_deviance.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6572/1503/files/sewonisazata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1575/6182/files/79808166509.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0439/4646/files/mcmurry_8th_edition_solutions_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/riginijulu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2514/5760/files/75991747104.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005bb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BB4 | 3692 bytes |
SHA-256: deb2d3a9a3a298d0d1dd0b5fd513b6a6885973d92e3866e8ee6a09e33777ec5c |
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font_01_sfnt_off000068bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68BB | 5580 bytes |
SHA-256: 83960079d5a6f7d4e9c64964dc940a3835378b833fe1c7b99cc5370bf560359c |
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font_02_sfnt_off00007bcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BCC | 10684 bytes |
SHA-256: ebdc00fef2b0da1774d623e73a4a8fc159a8a7643cddbef564200186b9c1f56e |
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