MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external resources, indicating a link farm or SEO spamming attempt. One critical heuristic identified a link to known malicious redirector infrastructure, suggesting a phishing or malware distribution vector. The ML classifier also strongly indicated maliciousness.
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.ru/pify?keyword=family+planning+nsw+cocp+factsheet
- http://files.urbnthrds.com/uploads/1/3/0/7/130775892/varaza-repagel-giwaturovuxu.pdf
- http://files.writeonyouth.com/uploads/1/3/0/7/130776341/viwokabi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/9276/3039/files/tumor_de_pulmao.pdf
- https://cdn.shopify.com/s/files/1/0448/6771/5234/files/gary_vaynerchuk_crush_it_download.pdf
- https://cdn.shopify.com/s/files/1/0428/9875/1641/files/bojudifusudi.pdf
- https://cdn.shopify.com/s/files/1/0433/5943/6951/files/71597916807.pdf
- https://cdn.shopify.com/s/files/1/0435/2511/1967/files/79552870465.pdf
- https://cdn.shopify.com/s/files/1/0444/5837/7383/files/tactics_for_listening_answer_key.pdf
- https://cdn.shopify.com/s/files/1/0430/8716/7645/files/capturing_the_devil.pdf
- https://cdn.shopify.com/s/files/1/0434/5276/0224/files/27031846661.pdf
- https://cdn.shopify.com/s/files/1/0437/3551/5290/files/symantec_dlp_15._0_mp1_upgrade_guide.pdf
- https://cdn.shopify.com/s/files/1/0432/4563/3691/files/rojinolejifuv.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_off00006866.bind0b76c047c78be137d499f278f2f59e99db136633e9e617f43f570b5d569aac5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6866 | 5480 bytes |
font_01_sfnt_off00007b05.bine5010003f92b35031d10c5a8b9beff928cfafa19b40f60b3ed52581068fb59aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B05 | 10532 bytes |
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