MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that matches the one identified by the heuristic. This suggests the primary purpose is to lure users to malicious sites.
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=amanda+palmer+judy+blume+sheet+music In PDF document text
- http://files.wcbk.com/uploads/1/3/0/7/130776726/4433218.pdfIn PDF document text
- http://files.cardiffnailsandbeauty.com/uploads/1/3/1/8/131856134/dilivoxi.pdfIn PDF document text
- http://files.supportiveconceptionssurrogacy.com/uploads/1/3/1/3/131379290/e38381d.pdfIn PDF document text
- http://files.dassiedahan-author.com/uploads/1/3/1/4/131436971/wixodasa.pdfIn PDF document text
- http://files.artbookhabit.com/uploads/1/3/0/7/130775677/9142798.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/1/0428/9835/8432/files/pujofupokutesigitugut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6989/8914/files/xefuta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4416/7064/files/nakadapupetikewuva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6861/1998/files/advanced_excel_course_material.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3231/9899/files/ruby_require_relative_all_files_in_a_directory.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0300/9434/files/new_amplified_bible.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2122/1533/files/ambulance_man_badge_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6535/2093/files/where_to_find_googlechrome._dmg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6899/5222/files/jugigofebaner.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1358/6600/files/xivigelogowibel.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_off0000c5b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5B7 | 5620 bytes |
SHA-256: db30a1baac85a63054620618c4e3eb4c07af7005cc6f6d82c9a3a7462ea22bbc |
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font_01_sfnt_off0000d897.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD897 | 14836 bytes |
SHA-256: ee6cdb3340e159fd42caba7fc9f25cf8140de67cfb0d48768be600b2fcf82f8f |
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