MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded URLs, with one identified as a malicious redirector. The document body, though heavily obfuscated, includes the target URL and related keywords, suggesting a lure to download further malicious content. The ML classifier strongly indicated maliciousness, and the presence of a link farm further supports a malicious intent to redirect users to harmful 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=advanced+bestiary+pathfinder+pdf In PDF document text
- http://vopot.vintagefisherpricetoysbyauroramorningstar.com/uploads/1/3/1/8/131871721/7754170.pdfIn PDF document text
- http://files.andthatmeanscomfort.com/uploads/1/3/0/7/130776661/pukavor-lusevonor-fadabopelatew.pdfIn PDF document text
- http://files.2eviecreative.org/uploads/1/3/2/7/132712006/nixevev.pdfIn PDF document text
- http://files.nurturingyourmystic.com/uploads/1/3/2/6/132681916/962259.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/1/0428/3708/2271/files/71556078470.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8239/0431/files/85193223350.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8937/9993/files/risetifijoxinoravu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3431/9776/files/58544519167.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6775/3116/files/45395102240.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0477/1999/files/15036216634.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0205/2257/files/jotigupedezanat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4903/3640/files/57942778550.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1669/1612/files/tatigenuxivekabovako.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2449/0397/files/28119555046.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2327/0042/files/96475927373.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0600/8216/files/48337392933.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_off00005b8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B8B | 5500 bytes |
SHA-256: 42b1260dc7fceac73c37d3b3dad5b900b05f3928a5f9ad46a9dc8e1bb56e7c06 |
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font_01_sfnt_off00006e3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E3A | 10112 bytes |
SHA-256: 43fc54fade311b1e83b63c5c99fb8cea953977bcc08317e02582bd414e1d8645 |
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