MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with one specifically pointing to a known malicious redirector. The heuristic firings indicate this PDF is part of a link farm, likely designed to manipulate search engine results or distribute malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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=hamari+adhuri+kahani+lyrics In PDF document text
- http://files.theyouthdude.com/uploads/1/3/0/7/130776158/vugavoworej_fusuwibawite_zomamedixim.pdfIn PDF document text
- http://files.stcatherineschurchlittlehampton.org/uploads/1/3/2/8/132815004/bodexaka-murawe.pdfIn PDF document text
- http://files.woodbridgelimo.org/uploads/1/3/0/9/130969966/5934810.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/1/0433/8620/8406/files/92850772433.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6295/1062/files/visual_studio_code_mac.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9327/6312/files/togedefevanajit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8252/2528/files/tuberewidoxofukizizesoke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8561/7570/files/11873753830.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0263/4148/files/timiroxot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8461/9680/files/32103237064.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3584/5017/files/xinomipiduvapubel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1553/6793/files/rusobola.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6038/8262/files/dunidogumejapafirel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0489/5143/files/nirefesoxepug.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E13 | 5308 bytes |
SHA-256: 0f10162a6778bf1594bf40608e47ea176f739035cccfe3222efedec91b831a4d |
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font_01_sfnt_off00006ff6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FF6 | 14924 bytes |
SHA-256: 1239387a3a9229fbe0d82caae7a973f45483ee917a6b9cc150680fb043714e31 |
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font_02_sfnt_off00009e43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E43 | 16336 bytes |
SHA-256: e3b9e4ac7ef6202c915b690c4274165985373cce75c04bb4cf1c3d2bfbd3ed25 |
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