MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with one specifically pointing to a known malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms this, indicating the document's primary purpose is to redirect users to harmful sites. The presence of a PDF link farm further supports this, suggesting an attempt to manipulate search engine results or distribute content through a large number of linked PDFs. No scripts were extracted, but the malicious links are sufficient evidence of a phishing or malware distribution attempt.
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.cc/pify?keyword=anestesia+geral+inalat%25C3%25B3ria+pdf In PDF document text
- http://files.sscphilly.com/uploads/1/3/0/8/130813616/e3d1b338caae.pdfIn PDF document text
- http://files.gntc1.com/uploads/1/3/0/8/130814070/saduvar-lovofoxug-litatosawitimit-zufute.pdfIn PDF document text
- http://files.skylineelectricmn.com/uploads/1/3/2/6/132682134/rasokisaxiwum_nivawosanofiz.pdfIn PDF document text
- http://files.tunup.org/uploads/1/3/2/6/132681767/f6109.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/1/0432/3485/3021/files/mufutorotef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4068/4697/files/setawufobuselomopux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8627/4967/files/wonufixapuwojezikesovob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1180/9190/files/wamanosoridorulizexitipa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0491/8941/files/vubeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2768/5799/files/40480344385.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0952/3355/files/vuveparamanopan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6727/7469/files/buderavo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jazaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7673/8462/files/90645575216.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0147/9321/files/28416011359.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5689/7947/files/21924099777.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4610/9341/files/vawejuxejabulok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7314/2933/files/pegipasapowu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7029/9038/files/88731189558.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_off00008261.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8261 | 5012 bytes |
SHA-256: 2af8e22ff8df6bba43497b201adc4669fa68a3bc89720fead3be98950eb9b60e |
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font_01_sfnt_off00009378.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9378 | 12892 bytes |
SHA-256: 8d284715856c60a91e636bbaa05cfa4c6eeb02c42dbf9fc6483432a186474f6c |
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