MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with a primary link pointing to a known malicious redirector. The document body, though heavily corrupted, contains the URL 'https://ttraff.com/pify?keyword=mri+brain+atlas+and+text+pdf', which is flagged as a malicious redirector. This suggests the PDF is designed to redirect users to malicious content, likely for phishing or malware distribution.
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=mri+brain+atlas+and+text+pdf In PDF document text
- http://petabef.intersoftsystems.com/uploads/1/3/1/6/131636612/f1b04618eb3.pdfIn PDF document text
- http://files.baptistegerbier.com/uploads/1/3/2/8/132814241/zikebudok-panoka-naludosazidefe.pdfIn PDF document text
- http://files.mischiefprojections.com/uploads/1/3/0/9/130969633/mafej-lufemofunugo-lufeb.pdfIn PDF document text
- http://bejum.cycledoctoralfactec.com/uploads/1/3/1/4/131438641/pumazuf_vovubokilatewor_lipopanaviweta.pdfIn PDF document text
- http://bojagugu.fdryan.com/uploads/1/3/1/0/131071164/942898.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/1/0431/4136/5922/files/77713868781.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0491/2031/files/pavanunoxiwemiborov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0258/4480/files/86257916975.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0645/1094/files/gazuwexakatulogutumo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0709/9558/files/27300268485.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0070/9791/files/gibazaduwotixe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1150/4290/files/18299528915.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6833/2959/files/dakurekogivozamimozix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4396/1504/files/wakegopilul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5461/9041/files/culinary_terms_a_z.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9603/9839/files/wofisujaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5119/5299/files/nawogefilifolup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1128/4885/files/31398964236.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000063e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63E5 | 5248 bytes |
SHA-256: 996162542a893b91d25414469e186cf9ffeeb1fcd28c45bc3c70a3d12c9ef7bf |
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font_01_sfnt_off000075cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75CD | 1800 bytes |
SHA-256: a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620 |
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font_02_sfnt_off00007e5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E5A | 10564 bytes |
SHA-256: 3ede0480761c4f923d1f3b873c895c22c3d8383f182d5bbeb5ccf32c8775a056 |
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