MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm and a critical heuristic firing for a malicious redirector. The document body, though heavily corrupted, appears to be a lure for 'Descendentes 3 filme completo em portugu". The presence of a password-protected archive lure suggests the PDF is intended to trick the user into downloading and decrypting a subsequent malicious payload. The primary IOC is the malicious redirector URL.
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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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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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.cc/pify?keyword=descendentes+3+filme+completo+em+portugu%25C3%25AAs In PDF document text
- http://lugoxoku.strictlybraids.com/uploads/1/3/0/7/130739602/9311515.pdfIn PDF document text
- http://files.stitchconnect.co/uploads/1/3/0/7/130740412/3f715aa22.pdfIn PDF document text
- http://maxom.stand2serve.org/uploads/1/3/1/4/131407067/8072999.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/1/0435/9212/2527/files/sutorepupepazikesu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3275/5875/files/76340718077.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9925/0072/files/kosakuxumugofone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6579/4969/files/ley_general_de_cambio_climatico_mexico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1059/6765/files/84420539119.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1410/2941/files/xesegodezazuguxebowirubo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9408/0674/files/fumamavanovedoku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8909/9938/files/the_foundations_of_empirical_knowledge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1906/7815/files/jax_runes_guide_season_8.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7410/8057/files/ramezidig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6788/1125/files/xupogakasimus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2852/7776/files/34693044865.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4046/3255/files/business_letter_sample.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004f86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F86 | 5460 bytes |
SHA-256: 89efd8b156b5c9196675bd107d6da8adbfe760fd3e63d45021de18e6fbd5de50 |
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font_01_sfnt_off000061bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61BD | 11268 bytes |
SHA-256: a31e3be6eb5563f32366cebb612dcece99dc4fa0f8772840e89127600da83456 |
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font_02_sfnt_off000085e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85E7 | 16096 bytes |
SHA-256: 2fbe0f2b4fe48ca7edce592075601a606a9abf5b16e9efbaf605fed263109796 |
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font_03_sfnt_off00009aac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AAC | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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