MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous embedded links, many of which point to redirector infrastructure. The primary redirector URL, 'https://ttraff.cc/pify?keyword=bacilos+gram+negativos+fermentadores+pdf', is flagged as malicious. The document also includes a heuristic indicating it's a password-protected archive lure, suggesting it's designed to trick users into downloading a password-protected file, likely containing a malicious payload. The presence of multiple SEO-optimized PDF links further supports the phishing lure.
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=bacilos+gram+negativos+fermentadores+pdf In PDF document text
- http://files.monicaek.com/uploads/1/3/2/7/132710628/revufumij.pdfIn PDF document text
- http://files.dpmine.com/uploads/1/3/1/3/131380728/1730996.pdfIn PDF document text
- http://files.christinacarnesphotography.com/uploads/1/3/0/9/130969761/voxokukavezubi.pdfIn PDF document text
- http://files.mcyaf.com/uploads/1/3/0/9/130968921/naxekadolufelo-mokegorito-bosadaje.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/1/0433/2273/6798/files/tonoramejati.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9040/1687/files/mekajezidivevasigim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0778/6654/files/xadefafigiloleni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6327/9767/files/17586571492.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0849/1673/files/1502374627.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3393/6547/files/25703833504.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3630/2750/files/python_float_decimal_places.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5411/2672/files/korulesagigutugogezo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3484/4059/files/32663432836.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0785/1171/files/tibazogubutemuwesoninaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5095/1066/files/76971333175.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4448/7836/files/dallas_county_assumed_name.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7548/5339/files/discord_wont_pick_up_my_mic.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_off00005432.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5432 | 5584 bytes |
SHA-256: 872b581dc4bd91fdb76fed79e3feb7e412cc6833c9df802b1a2c1ffe9011fb28 |
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font_01_sfnt_off00006722.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6722 | 9836 bytes |
SHA-256: f292dd23c656709265bc77c1ab9d2ecb26a6b2f9418d1dd77d0700c859be4cf9 |
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