MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with a primary URL pointing to a known malicious redirector. The document body, though partially corrupted, suggests a lure related to viewing electronic invoices. The presence of numerous external PDF links and a redirector link indicates an attempt to drive traffic to malicious infrastructure, likely for phishing or malware distribution. No scripts were extracted, but the overall structure and link farm heuristics suggest a phishing or scam attempt.
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.com/wb?keyword=como%20visualizar%20nota%20fiscal%20eletronica%20em%20pdf In PDF document text
- http://xiwiwure.middletonreview.com/uploads/1/3/0/7/130739615/3746121.pdfIn PDF document text
- http://files.oraclefitness.com/uploads/1/3/0/7/130739826/887303.pdfIn PDF document text
- http://files.teamsterslocal896.org/uploads/1/3/0/7/130738805/b942055f543e.pdfIn PDF document text
- http://files.msubpnp.com/uploads/1/3/0/8/130813796/9285059.pdfIn PDF document text
- http://zepar.richmondhillnaturopath.com/uploads/1/3/1/3/131383483/gajowikope-ganuzi-vibeg.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/1/0435/4503/4911/files/nakshatra_astrology_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7442/7806/files/lesofewimamejozux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78992801071.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6390/1334/files/47020766674.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8044/1238/files/bel_canto_technique.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7960/5147/files/probability_and_statistics_interview_questions_and_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3762/9348/files/27672097120.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2335/1458/files/90622902040.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1059/6765/files/red_chinchompa_osrs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2070/6204/files/adobe_reader_ubuntu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0426/3580/files/32325453994.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2949/4940/files/ripuburokok.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_off00005ffa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FFA | 5316 bytes |
SHA-256: e867acb4579ca7dff18e55dc2f75ca99562d74f042618f354c5d7dbe83aff15c |
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font_01_sfnt_off00007206.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7206 | 11356 bytes |
SHA-256: 1b211027a24287a6ae1bb1492d987f6c783847feedddec1c0c0538260fc6a9cb |
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font_02_sfnt_off00009702.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9702 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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