MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, identified as a link farm. One of the primary links, 'https://ttraff.com/wb?keyword=catalogo%20boticario%20dia%20das%20maes%202019%20pdf', points to known malicious redirector infrastructure. The document body, though partially corrupted, includes the same URL, suggesting a lure to trick users into clicking through to malicious sites. 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.com/wb?keyword=catalogo%20boticario%20dia%20das%20maes%202019%20pdf
- http://kevuv.thecactusroom.org/uploads/1/3/1/0/131070792/fulumukosonuwose.pdf
- http://files.poiseandco.com/uploads/1/3/0/7/130739198/mudegem_xoxumosazegez_zutalis.pdf
- http://sarax.backcountryhunters.ca/uploads/1/3/1/8/131856158/daxisebuwoxok.pdf
- http://files.simixtraining.com/uploads/1/3/0/8/130874110/bepeluruzudaxekevi.pdf
- https://cdn.shopify.com/s/files/1/0431/5404/7137/files/banavipubugasimipuwegafaj.pdf
- https://cdn.shopify.com/s/files/1/0427/7505/2454/files/nevadat.pdf
- https://cdn.shopify.com/s/files/1/0431/5486/6333/files/77704053348.pdf
- https://cdn.shopify.com/s/files/1/0440/1384/6693/files/58649047503.pdf
- https://cdn.shopify.com/s/files/1/0427/5834/0774/files/15128513710.pdf
- https://cdn.shopify.com/s/files/1/0431/5326/0701/files/dosamu.pdf
- https://cdn.shopify.com/s/files/1/0433/0346/9206/files/75863950863.pdf
- https://cdn.shopify.com/s/files/1/0431/0515/7282/files/nvidia_graphics_card_not_detected.pdf
- https://cdn.shopify.com/s/files/1/0435/9749/6488/files/allen_bradley_plc_training.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wugituvunajobi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tovovowegafakaroseras.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005a78.bindeaacdf214d29bc331e7fc905680960cf868a4028bf323ee7d1b803b8070a1b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A78 | 6004 bytes |
font_01_sfnt_off00006ed0.bin5b6da0a0fc394b4bf99bb6eaaeb1b7968f227876b7b7034f0e699c52e13aca05 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6ED0 | 12008 bytes |
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