MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a machine learning classifier and contains numerous embedded links, indicating a malicious redirector strategy. The primary malicious URL identified is https://ttraff.ru/pify?keyword=tipos+de+bacterias+nitrificantes+pdf, which is likely used to funnel victims to further malicious content. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malware through various compromised or controlled sites.
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=tipos+de+bacterias+nitrificantes+pdf
- http://files.vujadeaudio.com/uploads/1/3/2/6/132682686/5137128.pdf
- http://files.lightindarknessohr.org/uploads/1/3/0/7/130776031/bbf2df8.pdf
- http://files.jrselectricinc.com/uploads/1/3/1/3/131384286/roribila.pdf
- http://files.italianamericanclubofduluth.com/uploads/1/3/0/7/130738806/rirabiwok_mejozatamuju_mufasegadenado.pdf
- https://cdn.shopify.com/s/files/1/0431/8094/9658/files/rewovegi.pdf
- https://cdn.shopify.com/s/files/1/0429/0733/6863/files/98226405883.pdf
- https://cdn.shopify.com/s/files/1/0438/8395/4328/files/sivawogan.pdf
- https://cdn.shopify.com/s/files/1/0430/0577/1939/files/fefuroxojigonenopij.pdf
- https://cdn.shopify.com/s/files/1/0430/5915/1009/files/saltwater_fishing_knots.pdf
- https://cdn.shopify.com/s/files/1/0431/8858/4605/files/xapejivitumomulapekawus.pdf
- https://cdn.shopify.com/s/files/1/0432/8010/5630/files/1._able2extract_converter_apk.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84005007378.pdf
- https://cdn.shopify.com/s/files/1/0438/2153/1293/files/32534707018.pdf
- https://cdn.shopify.com/s/files/1/0429/8778/2297/files/86_nissan_pickup.pdf
- https://cdn.shopify.com/s/files/1/0428/7011/2423/files/nunesiwos.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/
- https://cdn.shopify.com/s/files/1/0429/8778/2297/files/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000069ed.bin164c4f84f013549b168e9108eea191e41d244de6af357562031891c6743b9e9f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69ED | 5208 bytes |
font_01_sfnt_off00007ba4.bin47e01fa0b1995245715f65a712e3d628b1b88360ef64aa2582379fa0cf56ee5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BA4 | 10764 bytes |
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