MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirection and link farming, including a critical finding for known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be the same as the malicious redirector. This suggests the PDF is designed to trick users into visiting a malicious site, likely to download further malware or engage in phishing.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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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=alkaline+and+acidic+food+chart.+pdf In PDF document text
- http://govizuna.barcelonasoccerhouston.com/uploads/1/3/0/7/130776644/wumaguzupalasapo.pdfIn PDF document text
- http://files.sarahgoetzskincare.com/uploads/1/3/1/1/131164273/5d1c8.pdfIn PDF document text
- http://files.buckinghamshirelandscapegardeners.com/uploads/1/3/2/7/132740204/70dfeb5a.pdfIn PDF document text
- http://files.sineadlucey.com/uploads/1/3/2/6/132695401/e3547d.pdfIn PDF document text
- http://topodu.moondewessences.com/uploads/1/3/1/6/131606289/disixakudowi.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/1/0435/8239/0435/files/what_is_a_cog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1147/3571/files/nezabixototuzewufofijed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2906/1032/files/agenda_2020_editable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0993/2440/files/losupa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6850/5764/files/31149925995.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6560/6301/files/adobe_reader_update_mac.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5586/5242/files/befikowezup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5671/6186/files/2010_ford_escape_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5066/3073/files/honeywell_digital_thermostat_manuals.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/1933/2766/files/ariens_st824_owners_manual.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_off0000647f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x647F | 5152 bytes |
SHA-256: 162aa9a4dec30f6ba53394f69069c286342c431434535fb59ed6e7d4296a2c29 |
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font_01_sfnt_off00007606.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7606 | 10192 bytes |
SHA-256: f0915fa8610fb6f7cd24c8cfeaf469c10c37e0ae757365553bfbf38d9e272e90 |
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