MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains a reference to the malicious URL. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the presence of a link to malicious infrastructure, and PDF_SEO_LINK_FARM indicates a large number of external PDF links, suggesting a link farm for SEO manipulation or traffic redirection. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=cristianismo+puro+e+simples+pdf+minhateca In PDF document text
- http://winet.bbhhspso.com/uploads/1/3/0/8/130874284/ditenojim-lipopedabaxa.pdfIn PDF document text
- http://files.gocadets.com/uploads/1/3/1/4/131483391/fiboru_juvarifafavu_kawogozi_nofaxu.pdfIn PDF document text
- http://files.hoopconvention.at/uploads/1/3/1/3/131383480/ccc89eedb1a.pdfIn PDF document text
- http://files.vanderlegal.com/uploads/1/3/2/6/132681971/bexujaseturapovilat.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/1/0430/8838/0061/files/lunowalixetu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8908/2006/files/body_parts_name_in_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3776/9383/files/90640579688.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0501/7238/files/78765941418.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1167/7083/files/banking_operation_management_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3903/8360/files/varera.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6536/0034/files/44445058602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6504/0286/files/17457666738.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2794/5882/files/70509744059.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0921/1549/files/17602801687.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/livoxigugefeguvon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9869/4042/files/bsa_cooking_merit_badge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6055/9013/files/59325046624.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
🗂 Part of campaign:
chrystinejones.com
3 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005874.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5874 | 5300 bytes |
SHA-256: 77106414352ef53ae748e1cfc7177ae77498aa5e7d48c9f8bb479bee8be6592d |
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font_01_sfnt_off00006a4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A4A | 10780 bytes |
SHA-256: 767e1b61c2c3065aaf91b6eadc70f95865b819a16e8e2a4678793dbfa1da0974 |
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