MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains a URL that appears to be a lure for a "bioelectronics book pdf". The ML classifier also strongly flagged this PDF as malicious. The presence of embedded URLs and the redirection to a suspicious domain suggest an attempt to lead the user to a malicious site, likely for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=bioelectronics+book+pdf
- http://files.inspiring-senses.com/uploads/1/3/0/8/130874189/c90f744112.pdf
- http://files.climatetippingpoints.com/uploads/1/3/2/7/132710700/5443381.pdf
- http://files.sthilaryhouse.co.uk/uploads/1/3/1/6/131636889/mubumaribiminatores.pdf
- http://files.pblconnections.com/uploads/1/3/0/9/130969931/677994.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/7902/5318/files/banutorosesog.pdf
- https://cdn.shopify.com/s/files/1/0430/6544/2457/files/8763109904.pdf
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/mazasalekisupivujimesuzap.pdf
- https://cdn.shopify.com/s/files/1/0431/8242/4215/files/52910175666.pdf
- https://cdn.shopify.com/s/files/1/0440/8249/5640/files/best_push_to_talk_key.pdf
- https://cdn.shopify.com/s/files/1/0429/7054/6329/files/velarisezumolizisulija.pdf
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/47225455153.pdf
- https://cdn.shopify.com/s/files/1/0437/5799/4138/files/xekerenijigefeg.pdf
- https://cdn.shopify.com/s/files/1/0432/8344/7968/files/nurisojuvitojetezudatu.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005880.bin02ef6afee961564540be7ab1ab84b8d7225bdf1f0303160792a75ac40104bb3a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5880 | 5192 bytes |
font_01_sfnt_off00006a3a.bincf2b29b134282c8cbf2a79a737d90e0b878c48605eefae1aa9fb017f82b8f1ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A3A | 10224 bytes |
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